Home / 1,586,871.48-2,189,900.46-861,727.80

Finding the Fourth Proportional to 1,586,871.48, 2,189,900.46 and 861,727.80

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Solution

The fourth proportional to 1,586,871.48, 2,189,900.46 and 861,727.80 is: 1,189,194.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,871.48 : 2,189,900.46 = 861,727.80 : x
  2. Step 2: Convert to fraction form
    1,586,871.48/2,189,900.46 = 861,727.80/x
  3. Step 3: Cross multiply
    1,586,871.48x = 2,189,900.46 × 861,727.80
  4. Step 4: Simplify right side
    1,586,871.48x = 1,887,098,105,614.79
  5. Step 5: Solve for x
    x = 1,887,098,105,614.79/1,586,871.48
  6. Step 6: Final answer
    x = 1,189,194.04

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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.