Home / 1,586,217.84-2,189,019.36-861,063.60

Finding the Fourth Proportional to 1,586,217.84, 2,189,019.36 and 861,063.60

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Solution

The fourth proportional to 1,586,217.84, 2,189,019.36 and 861,063.60 is: 1,188,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,217.84 : 2,189,019.36 = 861,063.60 : x
  2. Step 2: Convert to fraction form
    1,586,217.84/2,189,019.36 = 861,063.60/x
  3. Step 3: Cross multiply
    1,586,217.84x = 2,189,019.36 × 861,063.60
  4. Step 4: Simplify right side
    1,586,217.84x = 1,884,884,890,591.30
  5. Step 5: Solve for x
    x = 1,884,884,890,591.30/1,586,217.84
  6. Step 6: Final answer
    x = 1,188,288.80

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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.