Home / 2,172,451.96-3,258,899.88-752,505.40

Finding the Fourth Proportional to 2,172,451.96, 3,258,899.88 and 752,505.40

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Solution

The fourth proportional to 2,172,451.96, 3,258,899.88 and 752,505.40 is: 1,128,834.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,451.96 : 3,258,899.88 = 752,505.40 : x
  2. Step 2: Convert to fraction form
    2,172,451.96/3,258,899.88 = 752,505.40/x
  3. Step 3: Cross multiply
    2,172,451.96x = 3,258,899.88 × 752,505.40
  4. Step 4: Simplify right side
    2,172,451.96x = 2,452,339,757,759.35
  5. Step 5: Solve for x
    x = 2,452,339,757,759.35/2,172,451.96
  6. Step 6: Final answer
    x = 1,128,834.98

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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.