Home / 1,820,966.55-2,512,934.33-1,005,170.73

Finding the Fourth Proportional to 1,820,966.55, 2,512,934.33 and 1,005,170.73

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Solution

The fourth proportional to 1,820,966.55, 2,512,934.33 and 1,005,170.73 is: 1,387,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,966.55 : 2,512,934.33 = 1,005,170.73 : x
  2. Step 2: Convert to fraction form
    1,820,966.55/2,512,934.33 = 1,005,170.73/x
  3. Step 3: Cross multiply
    1,820,966.55x = 2,512,934.33 × 1,005,170.73
  4. Step 4: Simplify right side
    1,820,966.55x = 2,525,928,034,928.16
  5. Step 5: Solve for x
    x = 2,525,928,034,928.16/1,820,966.55
  6. Step 6: Final answer
    x = 1,387,135.88

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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.