Home / 1,586,901.52-2,189,939.92-861,755.52

Finding the Fourth Proportional to 1,586,901.52, 2,189,939.92 and 861,755.52

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Solution

The fourth proportional to 1,586,901.52, 2,189,939.92 and 861,755.52 is: 1,189,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,901.52 : 2,189,939.92 = 861,755.52 : x
  2. Step 2: Convert to fraction form
    1,586,901.52/2,189,939.92 = 861,755.52/x
  3. Step 3: Cross multiply
    1,586,901.52x = 2,189,939.92 × 861,755.52
  4. Step 4: Simplify right side
    1,586,901.52x = 1,887,192,814,528.36
  5. Step 5: Solve for x
    x = 1,887,192,814,528.36/1,586,901.52
  6. Step 6: Final answer
    x = 1,189,231.21

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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.