Home / 5,280,355.52-7,285,641.72-2,988,516.16

Finding the Fourth Proportional to 5,280,355.52, 7,285,641.72 and 2,988,516.16

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Solution

The fourth proportional to 5,280,355.52, 7,285,641.72 and 2,988,516.16 is: 4,123,445.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,355.52 : 7,285,641.72 = 2,988,516.16 : x
  2. Step 2: Convert to fraction form
    5,280,355.52/7,285,641.72 = 2,988,516.16/x
  3. Step 3: Cross multiply
    5,280,355.52x = 7,285,641.72 × 2,988,516.16
  4. Step 4: Simplify right side
    5,280,355.52x = 21,773,258,016,190.20
  5. Step 5: Solve for x
    x = 21,773,258,016,190.20/5,280,355.52
  6. Step 6: Final answer
    x = 4,123,445.46

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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.