Home / 5,187,051.28-7,159,636.20-3,012,086.80

Finding the Fourth Proportional to 5,187,051.28, 7,159,636.20 and 3,012,086.80

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Solution

The fourth proportional to 5,187,051.28, 7,159,636.20 and 3,012,086.80 is: 4,157,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,051.28 : 7,159,636.20 = 3,012,086.80 : x
  2. Step 2: Convert to fraction form
    5,187,051.28/7,159,636.20 = 3,012,086.80/x
  3. Step 3: Cross multiply
    5,187,051.28x = 7,159,636.20 × 3,012,086.80
  4. Step 4: Simplify right side
    5,187,051.28x = 21,565,445,690,822.16
  5. Step 5: Solve for x
    x = 21,565,445,690,822.16/5,187,051.28
  6. Step 6: Final answer
    x = 4,157,553.98

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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.