Home / 2,228,817.70-3,343,226.55-1,431,000.10

Finding the Fourth Proportional to 2,228,817.70, 3,343,226.55 and 1,431,000.10

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Solution

The fourth proportional to 2,228,817.70, 3,343,226.55 and 1,431,000.10 is: 2,146,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,817.70 : 3,343,226.55 = 1,431,000.10 : x
  2. Step 2: Convert to fraction form
    2,228,817.70/3,343,226.55 = 1,431,000.10/x
  3. Step 3: Cross multiply
    2,228,817.70x = 3,343,226.55 × 1,431,000.10
  4. Step 4: Simplify right side
    2,228,817.70x = 4,784,157,527,372.66
  5. Step 5: Solve for x
    x = 4,784,157,527,372.66/2,228,817.70
  6. Step 6: Final answer
    x = 2,146,500.15

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Double scale
Find fourth proportional to 2,228,818.70, 3,343,228.05 and 1,431,001.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.