Home / 2,687,812.60-4,033,274.10-1,005,086.20

Finding the Fourth Proportional to 2,687,812.60, 4,033,274.10 and 1,005,086.20

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Solution

The fourth proportional to 2,687,812.60, 4,033,274.10 and 1,005,086.20 is: 1,508,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,812.60 : 4,033,274.10 = 1,005,086.20 : x
  2. Step 2: Convert to fraction form
    2,687,812.60/4,033,274.10 = 1,005,086.20/x
  3. Step 3: Cross multiply
    2,687,812.60x = 4,033,274.10 × 1,005,086.20
  4. Step 4: Simplify right side
    2,687,812.60x = 4,053,788,138,727.42
  5. Step 5: Solve for x
    x = 4,053,788,138,727.42/2,687,812.60
  6. Step 6: Final answer
    x = 1,508,210.85

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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.