Home / 5,168,085.21-7,131,957.52-2,876,787.18

Finding the Fourth Proportional to 5,168,085.21, 7,131,957.52 and 2,876,787.18

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Solution

The fourth proportional to 5,168,085.21, 7,131,957.52 and 2,876,787.18 is: 3,969,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,085.21 : 7,131,957.52 = 2,876,787.18 : x
  2. Step 2: Convert to fraction form
    5,168,085.21/7,131,957.52 = 2,876,787.18/x
  3. Step 3: Cross multiply
    5,168,085.21x = 7,131,957.52 × 2,876,787.18
  4. Step 4: Simplify right side
    5,168,085.21x = 20,517,123,961,840.59
  5. Step 5: Solve for x
    x = 20,517,123,961,840.59/5,168,085.21
  6. Step 6: Final answer
    x = 3,969,966.27

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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.