Home / 3,397,101.12-4,688,197.92-1,947,245.76

Finding the Fourth Proportional to 3,397,101.12, 4,688,197.92 and 1,947,245.76

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Solution

The fourth proportional to 3,397,101.12, 4,688,197.92 and 1,947,245.76 is: 2,687,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397,101.12 : 4,688,197.92 = 1,947,245.76 : x
  2. Step 2: Convert to fraction form
    3,397,101.12/4,688,197.92 = 1,947,245.76/x
  3. Step 3: Cross multiply
    3,397,101.12x = 4,688,197.92 × 1,947,245.76
  4. Step 4: Simplify right side
    3,397,101.12x = 9,129,073,521,760.82
  5. Step 5: Solve for x
    x = 9,129,073,521,760.82/3,397,101.12
  6. Step 6: Final answer
    x = 2,687,312.86

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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.