Home / 3,722,515.20-5,140,264.56-3,602,142.72

Finding the Fourth Proportional to 3,722,515.20, 5,140,264.56 and 3,602,142.72

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Solution

The fourth proportional to 3,722,515.20, 5,140,264.56 and 3,602,142.72 is: 4,974,047.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722,515.20 : 5,140,264.56 = 3,602,142.72 : x
  2. Step 2: Convert to fraction form
    3,722,515.20/5,140,264.56 = 3,602,142.72/x
  3. Step 3: Cross multiply
    3,722,515.20x = 5,140,264.56 × 3,602,142.72
  4. Step 4: Simplify right side
    3,722,515.20x = 18,515,966,563,678.00
  5. Step 5: Solve for x
    x = 18,515,966,563,678.00/3,722,515.20
  6. Step 6: Final answer
    x = 4,974,047.27

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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.