Home / 2,221,382.80-3,331,728.60-623,789.20

Finding the Fourth Proportional to 2,221,382.80, 3,331,728.60 and 623,789.20

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Solution

The fourth proportional to 2,221,382.80, 3,331,728.60 and 623,789.20 is: 935,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,382.80 : 3,331,728.60 = 623,789.20 : x
  2. Step 2: Convert to fraction form
    2,221,382.80/3,331,728.60 = 623,789.20/x
  3. Step 3: Cross multiply
    2,221,382.80x = 3,331,728.60 × 623,789.20
  4. Step 4: Simplify right side
    2,221,382.80x = 2,078,296,318,011.12
  5. Step 5: Solve for x
    x = 2,078,296,318,011.12/2,221,382.80
  6. Step 6: Final answer
    x = 935,586.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.