Home / 1,933,260.80-2,899,891.20-813,516.80

Finding the Fourth Proportional to 1,933,260.80, 2,899,891.20 and 813,516.80

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Solution

The fourth proportional to 1,933,260.80, 2,899,891.20 and 813,516.80 is: 1,220,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933,260.80 : 2,899,891.20 = 813,516.80 : x
  2. Step 2: Convert to fraction form
    1,933,260.80/2,899,891.20 = 813,516.80/x
  3. Step 3: Cross multiply
    1,933,260.80x = 2,899,891.20 × 813,516.80
  4. Step 4: Simplify right side
    1,933,260.80x = 2,359,110,209,372.16
  5. Step 5: Solve for x
    x = 2,359,110,209,372.16/1,933,260.80
  6. Step 6: Final answer
    x = 1,220,275.20

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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.