Home / 7,280,487.40-10,919,694.30-2,488,397.80

Finding the Fourth Proportional to 7,280,487.40, 10,919,694.30 and 2,488,397.80

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Solution

The fourth proportional to 7,280,487.40, 10,919,694.30 and 2,488,397.80 is: 3,732,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,487.40 : 10,919,694.30 = 2,488,397.80 : x
  2. Step 2: Convert to fraction form
    7,280,487.40/10,919,694.30 = 2,488,397.80/x
  3. Step 3: Cross multiply
    7,280,487.40x = 10,919,694.30 × 2,488,397.80
  4. Step 4: Simplify right side
    7,280,487.40x = 27,172,543,272,792.54
  5. Step 5: Solve for x
    x = 27,172,543,272,792.54/7,280,487.40
  6. Step 6: Final answer
    x = 3,732,242.33

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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.