Home / 1,541,086.47-2,126,583.86-861,891.75

Finding the Fourth Proportional to 1,541,086.47, 2,126,583.86 and 861,891.75

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Solution

The fourth proportional to 1,541,086.47, 2,126,583.86 and 861,891.75 is: 1,189,346.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,086.47 : 2,126,583.86 = 861,891.75 : x
  2. Step 2: Convert to fraction form
    1,541,086.47/2,126,583.86 = 861,891.75/x
  3. Step 3: Cross multiply
    1,541,086.47x = 2,126,583.86 × 861,891.75
  4. Step 4: Simplify right side
    1,541,086.47x = 1,832,885,080,307.70
  5. Step 5: Solve for x
    x = 1,832,885,080,307.70/1,541,086.47
  6. Step 6: Final answer
    x = 1,189,346.03

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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.