Home / 5,375,987.15-7,418,859-2,961,539.15

Finding the Fourth Proportional to 5,375,987.15, 7,418,859 and 2,961,539.15

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Solution

The fourth proportional to 5,375,987.15, 7,418,859 and 2,961,539.15 is: 4,086,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375,987.15 : 7,418,859 = 2,961,539.15 : x
  2. Step 2: Convert to fraction form
    5,375,987.15/7,418,859 = 2,961,539.15/x
  3. Step 3: Cross multiply
    5,375,987.15x = 7,418,859 × 2,961,539.15
  4. Step 4: Simplify right side
    5,375,987.15x = 21,971,241,376,829.85
  5. Step 5: Solve for x
    x = 21,971,241,376,829.85/5,375,987.15
  6. Step 6: Final answer
    x = 4,086,922.23

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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.