Home / 2,156,498.16-3,234,193.65-639,822.29

Finding the Fourth Proportional to 2,156,498.16, 3,234,193.65 and 639,822.29

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Solution

The fourth proportional to 2,156,498.16, 3,234,193.65 and 639,822.29 is: 959,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,498.16 : 3,234,193.65 = 639,822.29 : x
  2. Step 2: Convert to fraction form
    2,156,498.16/3,234,193.65 = 639,822.29/x
  3. Step 3: Cross multiply
    2,156,498.16x = 3,234,193.65 × 639,822.29
  4. Step 4: Simplify right side
    2,156,498.16x = 2,069,309,187,446.46
  5. Step 5: Solve for x
    x = 2,069,309,187,446.46/2,156,498.16
  6. Step 6: Final answer
    x = 959,569.19

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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.