Home / 1,906,891.32-2,860,333.20-486,948.36

Finding the Fourth Proportional to 1,906,891.32, 2,860,333.20 and 486,948.36

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Solution

The fourth proportional to 1,906,891.32, 2,860,333.20 and 486,948.36 is: 730,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,891.32 : 2,860,333.20 = 486,948.36 : x
  2. Step 2: Convert to fraction form
    1,906,891.32/2,860,333.20 = 486,948.36/x
  3. Step 3: Cross multiply
    1,906,891.32x = 2,860,333.20 × 486,948.36
  4. Step 4: Simplify right side
    1,906,891.32x = 1,392,834,560,793.55
  5. Step 5: Solve for x
    x = 1,392,834,560,793.55/1,906,891.32
  6. Step 6: Final answer
    x = 730,421.57

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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.