Home / 3,998,172.16-5,987,648.40-2,287,128.16

Finding the Fourth Proportional to 3,998,172.16, 5,987,648.40 and 2,287,128.16

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Solution

The fourth proportional to 3,998,172.16, 5,987,648.40 and 2,287,128.16 is: 3,425,194.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,172.16 : 5,987,648.40 = 2,287,128.16 : x
  2. Step 2: Convert to fraction form
    3,998,172.16/5,987,648.40 = 2,287,128.16/x
  3. Step 3: Cross multiply
    3,998,172.16x = 5,987,648.40 × 2,287,128.16
  4. Step 4: Simplify right side
    3,998,172.16x = 13,694,519,267,818.95
  5. Step 5: Solve for x
    x = 13,694,519,267,818.95/3,998,172.16
  6. Step 6: Final answer
    x = 3,425,194.99

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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.