Home / 3,155,429.20-4,733,143.80-2,981,246.80

Finding the Fourth Proportional to 3,155,429.20, 4,733,143.80 and 2,981,246.80

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Solution

The fourth proportional to 3,155,429.20, 4,733,143.80 and 2,981,246.80 is: 4,471,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,429.20 : 4,733,143.80 = 2,981,246.80 : x
  2. Step 2: Convert to fraction form
    3,155,429.20/4,733,143.80 = 2,981,246.80/x
  3. Step 3: Cross multiply
    3,155,429.20x = 4,733,143.80 × 2,981,246.80
  4. Step 4: Simplify right side
    3,155,429.20x = 14,110,669,807,689.84
  5. Step 5: Solve for x
    x = 14,110,669,807,689.84/3,155,429.20
  6. Step 6: Final answer
    x = 4,471,870.20

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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.