Home / 2,250,159.78-3,105,196.84-1,217,644.97

Finding the Fourth Proportional to 2,250,159.78, 3,105,196.84 and 1,217,644.97

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Solution

The fourth proportional to 2,250,159.78, 3,105,196.84 and 1,217,644.97 is: 1,680,337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250,159.78 : 3,105,196.84 = 1,217,644.97 : x
  2. Step 2: Convert to fraction form
    2,250,159.78/3,105,196.84 = 1,217,644.97/x
  3. Step 3: Cross multiply
    2,250,159.78x = 3,105,196.84 × 1,217,644.97
  4. Step 4: Simplify right side
    2,250,159.78x = 3,781,027,294,515.80
  5. Step 5: Solve for x
    x = 3,781,027,294,515.80/2,250,159.78
  6. Step 6: Final answer
    x = 1,680,337.25

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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.