Home / 2,935,280.40-4,402,920.60-2,487,382.80

Finding the Fourth Proportional to 2,935,280.40, 4,402,920.60 and 2,487,382.80

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Solution

The fourth proportional to 2,935,280.40, 4,402,920.60 and 2,487,382.80 is: 3,731,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935,280.40 : 4,402,920.60 = 2,487,382.80 : x
  2. Step 2: Convert to fraction form
    2,935,280.40/4,402,920.60 = 2,487,382.80/x
  3. Step 3: Cross multiply
    2,935,280.40x = 4,402,920.60 × 2,487,382.80
  4. Step 4: Simplify right side
    2,935,280.40x = 10,951,748,970,205.68
  5. Step 5: Solve for x
    x = 10,951,748,970,205.68/2,935,280.40
  6. Step 6: Final answer
    x = 3,731,074.20

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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.