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Finding the Fourth Proportional to 6,752,774.82, 9,319,716.70 and 3,851,500.62

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Solution

The fourth proportional to 6,752,774.82, 9,319,716.70 and 3,851,500.62 is: 5,315,577.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,752,774.82 : 9,319,716.70 = 3,851,500.62 : x
  2. Step 2: Convert to fraction form
    6,752,774.82/9,319,716.70 = 3,851,500.62/x
  3. Step 3: Cross multiply
    6,752,774.82x = 9,319,716.70 × 3,851,500.62
  4. Step 4: Simplify right side
    6,752,774.82x = 35,894,894,648,274.35
  5. Step 5: Solve for x
    x = 35,894,894,648,274.35/6,752,774.82
  6. Step 6: Final answer
    x = 5,315,577.02

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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.