Home / 3,121,282.31-4,649,010.42-2,981,237.32

Finding the Fourth Proportional to 3,121,282.31, 4,649,010.42 and 2,981,237.32

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Solution

The fourth proportional to 3,121,282.31, 4,649,010.42 and 2,981,237.32 is: 4,440,419.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,282.31 : 4,649,010.42 = 2,981,237.32 : x
  2. Step 2: Convert to fraction form
    3,121,282.31/4,649,010.42 = 2,981,237.32/x
  3. Step 3: Cross multiply
    3,121,282.31x = 4,649,010.42 × 2,981,237.32
  4. Step 4: Simplify right side
    3,121,282.31x = 13,859,803,353,550.35
  5. Step 5: Solve for x
    x = 13,859,803,353,550.35/3,121,282.31
  6. Step 6: Final answer
    x = 4,440,419.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.