Home / 5,338,539.90-7,367,094.03-2,891,131.08

Finding the Fourth Proportional to 5,338,539.90, 7,367,094.03 and 2,891,131.08

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Solution

The fourth proportional to 5,338,539.90, 7,367,094.03 and 2,891,131.08 is: 3,989,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,539.90 : 7,367,094.03 = 2,891,131.08 : x
  2. Step 2: Convert to fraction form
    5,338,539.90/7,367,094.03 = 2,891,131.08/x
  3. Step 3: Cross multiply
    5,338,539.90x = 7,367,094.03 × 2,891,131.08
  4. Step 4: Simplify right side
    5,338,539.90x = 21,299,234,486,367.98
  5. Step 5: Solve for x
    x = 21,299,234,486,367.98/5,338,539.90
  6. Step 6: Final answer
    x = 3,989,711.59

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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.