Home / 5,280,354.52-7,285,640.34-2,988,515.16

Finding the Fourth Proportional to 5,280,354.52, 7,285,640.34 and 2,988,515.16

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Solution

The fourth proportional to 5,280,354.52, 7,285,640.34 and 2,988,515.16 is: 4,123,444.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,354.52 : 7,285,640.34 = 2,988,515.16 : x
  2. Step 2: Convert to fraction form
    5,280,354.52/7,285,640.34 = 2,988,515.16/x
  3. Step 3: Cross multiply
    5,280,354.52x = 7,285,640.34 × 2,988,515.16
  4. Step 4: Simplify right side
    5,280,354.52x = 21,773,246,606,397.55
  5. Step 5: Solve for x
    x = 21,773,246,606,397.55/5,280,354.52
  6. Step 6: Final answer
    x = 4,123,444.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.