Home / 3,072,481.28-4,238,841.60-1,924,563.20

Finding the Fourth Proportional to 3,072,481.28, 4,238,841.60 and 1,924,563.20

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Solution

The fourth proportional to 3,072,481.28, 4,238,841.60 and 1,924,563.20 is: 2,655,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,481.28 : 4,238,841.60 = 1,924,563.20 : x
  2. Step 2: Convert to fraction form
    3,072,481.28/4,238,841.60 = 1,924,563.20/x
  3. Step 3: Cross multiply
    3,072,481.28x = 4,238,841.60 × 1,924,563.20
  4. Step 4: Simplify right side
    3,072,481.28x = 8,157,918,553,989.12
  5. Step 5: Solve for x
    x = 8,157,918,553,989.12/3,072,481.28
  6. Step 6: Final answer
    x = 2,655,156.47

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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.