Home / 2,132,861.60-2,943,384-1,273,496.96

Finding the Fourth Proportional to 2,132,861.60, 2,943,384 and 1,273,496.96

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Solution

The fourth proportional to 2,132,861.60, 2,943,384 and 1,273,496.96 is: 1,757,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,861.60 : 2,943,384 = 1,273,496.96 : x
  2. Step 2: Convert to fraction form
    2,132,861.60/2,943,384 = 1,273,496.96/x
  3. Step 3: Cross multiply
    2,132,861.60x = 2,943,384 × 1,273,496.96
  4. Step 4: Simplify right side
    2,132,861.60x = 3,748,390,576,112.64
  5. Step 5: Solve for x
    x = 3,748,390,576,112.64/2,132,861.60
  6. Step 6: Final answer
    x = 1,757,446.70

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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.