Home / 2,513,917.68-3,469,279.40-1,368,071.92

Finding the Fourth Proportional to 2,513,917.68, 3,469,279.40 and 1,368,071.92

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Solution

The fourth proportional to 2,513,917.68, 3,469,279.40 and 1,368,071.92 is: 1,887,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513,917.68 : 3,469,279.40 = 1,368,071.92 : x
  2. Step 2: Convert to fraction form
    2,513,917.68/3,469,279.40 = 1,368,071.92/x
  3. Step 3: Cross multiply
    2,513,917.68x = 3,469,279.40 × 1,368,071.92
  4. Step 4: Simplify right side
    2,513,917.68x = 4,746,223,729,774.45
  5. Step 5: Solve for x
    x = 4,746,223,729,774.45/2,513,917.68
  6. Step 6: Final answer
    x = 1,887,978.98

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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.