Home / 2,057,922.40-3,087,000.24-638,180.32

Finding the Fourth Proportional to 2,057,922.40, 3,087,000.24 and 638,180.32

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Solution

The fourth proportional to 2,057,922.40, 3,087,000.24 and 638,180.32 is: 957,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,922.40 : 3,087,000.24 = 638,180.32 : x
  2. Step 2: Convert to fraction form
    2,057,922.40/3,087,000.24 = 638,180.32/x
  3. Step 3: Cross multiply
    2,057,922.40x = 3,087,000.24 × 638,180.32
  4. Step 4: Simplify right side
    2,057,922.40x = 1,970,062,801,003.28
  5. Step 5: Solve for x
    x = 1,970,062,801,003.28/2,057,922.40
  6. Step 6: Final answer
    x = 957,306.65

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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.