Home / 2,118,644.20-3,177,966.30-1,123,316.20

Finding the Fourth Proportional to 2,118,644.20, 3,177,966.30 and 1,123,316.20

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Solution

The fourth proportional to 2,118,644.20, 3,177,966.30 and 1,123,316.20 is: 1,684,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,644.20 : 3,177,966.30 = 1,123,316.20 : x
  2. Step 2: Convert to fraction form
    2,118,644.20/3,177,966.30 = 1,123,316.20/x
  3. Step 3: Cross multiply
    2,118,644.20x = 3,177,966.30 × 1,123,316.20
  4. Step 4: Simplify right side
    2,118,644.20x = 3,569,861,027,844.06
  5. Step 5: Solve for x
    x = 3,569,861,027,844.06/2,118,644.20
  6. Step 6: Final answer
    x = 1,684,974.30

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Similar ratio
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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.