Home / 2,107,951.68-3,162,431.40-688,010.40

Finding the Fourth Proportional to 2,107,951.68, 3,162,431.40 and 688,010.40

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Solution

The fourth proportional to 2,107,951.68, 3,162,431.40 and 688,010.40 is: 1,032,180.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,951.68 : 3,162,431.40 = 688,010.40 : x
  2. Step 2: Convert to fraction form
    2,107,951.68/3,162,431.40 = 688,010.40/x
  3. Step 3: Cross multiply
    2,107,951.68x = 3,162,431.40 × 688,010.40
  4. Step 4: Simplify right side
    2,107,951.68x = 2,175,785,692,486.56
  5. Step 5: Solve for x
    x = 2,175,785,692,486.56/2,107,951.68
  6. Step 6: Final answer
    x = 1,032,180.06

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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.