Home / 2,138,951.68-3,208,393.08-519,733.32

Finding the Fourth Proportional to 2,138,951.68, 3,208,393.08 and 519,733.32

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Solution

The fourth proportional to 2,138,951.68, 3,208,393.08 and 519,733.32 is: 779,591.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,951.68 : 3,208,393.08 = 519,733.32 : x
  2. Step 2: Convert to fraction form
    2,138,951.68/3,208,393.08 = 519,733.32/x
  3. Step 3: Cross multiply
    2,138,951.68x = 3,208,393.08 × 519,733.32
  4. Step 4: Simplify right side
    2,138,951.68x = 1,667,508,787,333.43
  5. Step 5: Solve for x
    x = 1,667,508,787,333.43/2,138,951.68
  6. Step 6: Final answer
    x = 779,591.61

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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.