Home / 5,328,116.72-7,352,787.25-2,973,289.78

Finding the Fourth Proportional to 5,328,116.72, 7,352,787.25 and 2,973,289.78

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Solution

The fourth proportional to 5,328,116.72, 7,352,787.25 and 2,973,289.78 is: 4,103,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,116.72 : 7,352,787.25 = 2,973,289.78 : x
  2. Step 2: Convert to fraction form
    5,328,116.72/7,352,787.25 = 2,973,289.78/x
  3. Step 3: Cross multiply
    5,328,116.72x = 7,352,787.25 × 2,973,289.78
  4. Step 4: Simplify right side
    5,328,116.72x = 21,861,967,176,154.12
  5. Step 5: Solve for x
    x = 21,861,967,176,154.12/5,328,116.72
  6. Step 6: Final answer
    x = 4,103,132.18

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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.