Home / 5,159,617.92-7,739,402.52-1,321,433.04

Finding the Fourth Proportional to 5,159,617.92, 7,739,402.52 and 1,321,433.04

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Solution

The fourth proportional to 5,159,617.92, 7,739,402.52 and 1,321,433.04 is: 1,982,143.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159,617.92 : 7,739,402.52 = 1,321,433.04 : x
  2. Step 2: Convert to fraction form
    5,159,617.92/7,739,402.52 = 1,321,433.04/x
  3. Step 3: Cross multiply
    5,159,617.92x = 7,739,402.52 × 1,321,433.04
  4. Step 4: Simplify right side
    5,159,617.92x = 10,227,102,199,787.26
  5. Step 5: Solve for x
    x = 10,227,102,199,787.26/5,159,617.92
  6. Step 6: Final answer
    x = 1,982,143.32

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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.