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Finding the Fourth Proportional to 3,582,275.92, 5,375,513.40 and 2,570,307.28

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Solution

The fourth proportional to 3,582,275.92, 5,375,513.40 and 2,570,307.28 is: 3,856,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582,275.92 : 5,375,513.40 = 2,570,307.28 : x
  2. Step 2: Convert to fraction form
    3,582,275.92/5,375,513.40 = 2,570,307.28/x
  3. Step 3: Cross multiply
    3,582,275.92x = 5,375,513.40 × 2,570,307.28
  4. Step 4: Simplify right side
    3,582,275.92x = 13,816,721,225,757.55
  5. Step 5: Solve for x
    x = 13,816,721,225,757.55/3,582,275.92
  6. Step 6: Final answer
    x = 3,856,967.34

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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.