Home / 3,834,248.40-5,744,374.20-3,120,411.60

Finding the Fourth Proportional to 3,834,248.40, 5,744,374.20 and 3,120,411.60

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Solution

The fourth proportional to 3,834,248.40, 5,744,374.20 and 3,120,411.60 is: 4,674,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834,248.40 : 5,744,374.20 = 3,120,411.60 : x
  2. Step 2: Convert to fraction form
    3,834,248.40/5,744,374.20 = 3,120,411.60/x
  3. Step 3: Cross multiply
    3,834,248.40x = 5,744,374.20 × 3,120,411.60
  4. Step 4: Simplify right side
    3,834,248.40x = 17,924,811,888,420.72
  5. Step 5: Solve for x
    x = 17,924,811,888,420.72/3,834,248.40
  6. Step 6: Final answer
    x = 4,674,921.92

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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.