Home / 2,406,187.20-3,609,280.80-2,389,598.40

Finding the Fourth Proportional to 2,406,187.20, 3,609,280.80 and 2,389,598.40

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Solution

The fourth proportional to 2,406,187.20, 3,609,280.80 and 2,389,598.40 is: 3,584,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406,187.20 : 3,609,280.80 = 2,389,598.40 : x
  2. Step 2: Convert to fraction form
    2,406,187.20/3,609,280.80 = 2,389,598.40/x
  3. Step 3: Cross multiply
    2,406,187.20x = 3,609,280.80 × 2,389,598.40
  4. Step 4: Simplify right side
    2,406,187.20x = 8,624,731,624,830.72
  5. Step 5: Solve for x
    x = 8,624,731,624,830.72/2,406,187.20
  6. Step 6: Final answer
    x = 3,584,397.60

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Double scale
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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.