Home / 3,609,483.12-4,981,085.28-1,999,851.12

Finding the Fourth Proportional to 3,609,483.12, 4,981,085.28 and 1,999,851.12

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Solution

The fourth proportional to 3,609,483.12, 4,981,085.28 and 1,999,851.12 is: 2,759,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,483.12 : 4,981,085.28 = 1,999,851.12 : x
  2. Step 2: Convert to fraction form
    3,609,483.12/4,981,085.28 = 1,999,851.12/x
  3. Step 3: Cross multiply
    3,609,483.12x = 4,981,085.28 × 1,999,851.12
  4. Step 4: Simplify right side
    3,609,483.12x = 9,961,428,976,023.52
  5. Step 5: Solve for x
    x = 9,961,428,976,023.52/3,609,483.12
  6. Step 6: Final answer
    x = 2,759,793.76

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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.