Home / 2,068,737.20-3,103,105.80-1,005,855.20

Finding the Fourth Proportional to 2,068,737.20, 3,103,105.80 and 1,005,855.20

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Solution

The fourth proportional to 2,068,737.20, 3,103,105.80 and 1,005,855.20 is: 1,508,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,737.20 : 3,103,105.80 = 1,005,855.20 : x
  2. Step 2: Convert to fraction form
    2,068,737.20/3,103,105.80 = 1,005,855.20/x
  3. Step 3: Cross multiply
    2,068,737.20x = 3,103,105.80 × 1,005,855.20
  4. Step 4: Simplify right side
    2,068,737.20x = 3,121,275,105,080.16
  5. Step 5: Solve for x
    x = 3,121,275,105,080.16/2,068,737.20
  6. Step 6: Final answer
    x = 1,508,782.80

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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.