Home / 3,649,376.80-5,474,065.20-2,156,384.80

Finding the Fourth Proportional to 3,649,376.80, 5,474,065.20 and 2,156,384.80

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Solution

The fourth proportional to 3,649,376.80, 5,474,065.20 and 2,156,384.80 is: 3,234,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649,376.80 : 5,474,065.20 = 2,156,384.80 : x
  2. Step 2: Convert to fraction form
    3,649,376.80/5,474,065.20 = 2,156,384.80/x
  3. Step 3: Cross multiply
    3,649,376.80x = 5,474,065.20 × 2,156,384.80
  4. Step 4: Simplify right side
    3,649,376.80x = 11,804,190,991,488.96
  5. Step 5: Solve for x
    x = 11,804,190,991,488.96/3,649,376.80
  6. Step 6: Final answer
    x = 3,234,577.20

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Double scale
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Similar ratio
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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.