Home / 5,280,348.04-7,285,631.40-2,988,508.72

Finding the Fourth Proportional to 5,280,348.04, 7,285,631.40 and 2,988,508.72

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Solution

The fourth proportional to 5,280,348.04, 7,285,631.40 and 2,988,508.72 is: 4,123,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,348.04 : 7,285,631.40 = 2,988,508.72 : x
  2. Step 2: Convert to fraction form
    5,280,348.04/7,285,631.40 = 2,988,508.72/x
  3. Step 3: Cross multiply
    5,280,348.04x = 7,285,631.40 × 2,988,508.72
  4. Step 4: Simplify right side
    5,280,348.04x = 21,773,172,969,605.81
  5. Step 5: Solve for x
    x = 21,773,172,969,605.81/5,280,348.04
  6. Step 6: Final answer
    x = 4,123,435.20

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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.