Home / 2,898,791.20-3,999,915.84-1,609,647.04

Finding the Fourth Proportional to 2,898,791.20, 3,999,915.84 and 1,609,647.04

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Solution

The fourth proportional to 2,898,791.20, 3,999,915.84 and 1,609,647.04 is: 2,221,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,791.20 : 3,999,915.84 = 1,609,647.04 : x
  2. Step 2: Convert to fraction form
    2,898,791.20/3,999,915.84 = 1,609,647.04/x
  3. Step 3: Cross multiply
    2,898,791.20x = 3,999,915.84 × 1,609,647.04
  4. Step 4: Simplify right side
    2,898,791.20x = 6,438,452,692,105.11
  5. Step 5: Solve for x
    x = 6,438,452,692,105.11/2,898,791.20
  6. Step 6: Final answer
    x = 2,221,081.91

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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.