Home / 3,872,737.17-5,344,446.02-2,153,858.45

Finding the Fourth Proportional to 3,872,737.17, 5,344,446.02 and 2,153,858.45

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Solution

The fourth proportional to 3,872,737.17, 5,344,446.02 and 2,153,858.45 is: 2,972,362.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872,737.17 : 5,344,446.02 = 2,153,858.45 : x
  2. Step 2: Convert to fraction form
    3,872,737.17/5,344,446.02 = 2,153,858.45/x
  3. Step 3: Cross multiply
    3,872,737.17x = 5,344,446.02 × 2,153,858.45
  4. Step 4: Simplify right side
    3,872,737.17x = 11,511,180,183,254.35
  5. Step 5: Solve for x
    x = 11,511,180,183,254.35/3,872,737.17
  6. Step 6: Final answer
    x = 2,972,362.87

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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.