Home / 3,147,487.20-4,722,397.20-1,017,640.80

Finding the Fourth Proportional to 3,147,487.20, 4,722,397.20 and 1,017,640.80

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Solution

The fourth proportional to 3,147,487.20, 4,722,397.20 and 1,017,640.80 is: 1,526,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,487.20 : 4,722,397.20 = 1,017,640.80 : x
  2. Step 2: Convert to fraction form
    3,147,487.20/4,722,397.20 = 1,017,640.80/x
  3. Step 3: Cross multiply
    3,147,487.20x = 4,722,397.20 × 1,017,640.80
  4. Step 4: Simplify right side
    3,147,487.20x = 4,805,704,064,525.76
  5. Step 5: Solve for x
    x = 4,805,704,064,525.76/3,147,487.20
  6. Step 6: Final answer
    x = 1,526,838.32

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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.