Home / 1,587,049.00-2,190,127.07-861,896.90

Finding the Fourth Proportional to 1,587,049.00, 2,190,127.07 and 861,896.90

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Solution

The fourth proportional to 1,587,049.00, 2,190,127.07 and 861,896.90 is: 1,189,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,049.00 : 2,190,127.07 = 861,896.90 : x
  2. Step 2: Convert to fraction form
    1,587,049.00/2,190,127.07 = 861,896.90/x
  3. Step 3: Cross multiply
    1,587,049.00x = 2,190,127.07 × 861,896.90
  4. Step 4: Simplify right side
    1,587,049.00x = 1,887,663,739,869.14
  5. Step 5: Solve for x
    x = 1,887,663,739,869.14/1,587,049.00
  6. Step 6: Final answer
    x = 1,189,417.43

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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.