Home / 2,711,931.90-4,067,781.21-818,616.84

Finding the Fourth Proportional to 2,711,931.90, 4,067,781.21 and 818,616.84

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Solution

The fourth proportional to 2,711,931.90, 4,067,781.21 and 818,616.84 is: 1,227,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711,931.90 : 4,067,781.21 = 818,616.84 : x
  2. Step 2: Convert to fraction form
    2,711,931.90/4,067,781.21 = 818,616.84/x
  3. Step 3: Cross multiply
    2,711,931.90x = 4,067,781.21 × 818,616.84
  4. Step 4: Simplify right side
    2,711,931.90x = 3,329,954,199,941.58
  5. Step 5: Solve for x
    x = 3,329,954,199,941.58/2,711,931.90
  6. Step 6: Final answer
    x = 1,227,890.05

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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.