Home / 2,909,613.38-4,015,390.92-1,620,453.56

Finding the Fourth Proportional to 2,909,613.38, 4,015,390.92 and 1,620,453.56

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Solution

The fourth proportional to 2,909,613.38, 4,015,390.92 and 1,620,453.56 is: 2,236,295.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,613.38 : 4,015,390.92 = 1,620,453.56 : x
  2. Step 2: Convert to fraction form
    2,909,613.38/4,015,390.92 = 1,620,453.56/x
  3. Step 3: Cross multiply
    2,909,613.38x = 4,015,390.92 × 1,620,453.56
  4. Step 4: Simplify right side
    2,909,613.38x = 6,506,754,521,144.15
  5. Step 5: Solve for x
    x = 6,506,754,521,144.15/2,909,613.38
  6. Step 6: Final answer
    x = 2,236,295.23

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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.