Home / 3,109,272.80-4,653,375.15-1,911,953.48

Finding the Fourth Proportional to 3,109,272.80, 4,653,375.15 and 1,911,953.48

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Solution

The fourth proportional to 3,109,272.80, 4,653,375.15 and 1,911,953.48 is: 2,861,452.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,272.80 : 4,653,375.15 = 1,911,953.48 : x
  2. Step 2: Convert to fraction form
    3,109,272.80/4,653,375.15 = 1,911,953.48/x
  3. Step 3: Cross multiply
    3,109,272.80x = 4,653,375.15 × 1,911,953.48
  4. Step 4: Simplify right side
    3,109,272.80x = 8,897,036,811,788.02
  5. Step 5: Solve for x
    x = 8,897,036,811,788.02/3,109,272.80
  6. Step 6: Final answer
    x = 2,861,452.62

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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.