Home / 5,176,808.20-7,144,065.30-2,884,890.52

Finding the Fourth Proportional to 5,176,808.20, 7,144,065.30 and 2,884,890.52

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Solution

The fourth proportional to 5,176,808.20, 7,144,065.30 and 2,884,890.52 is: 3,981,187.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,808.20 : 7,144,065.30 = 2,884,890.52 : x
  2. Step 2: Convert to fraction form
    5,176,808.20/7,144,065.30 = 2,884,890.52/x
  3. Step 3: Cross multiply
    5,176,808.20x = 7,144,065.30 × 2,884,890.52
  4. Step 4: Simplify right side
    5,176,808.20x = 20,609,846,258,230.96
  5. Step 5: Solve for x
    x = 20,609,846,258,230.96/5,176,808.20
  6. Step 6: Final answer
    x = 3,981,187.92

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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.