Home / 2,220,007.20-3,330,010.80-1,157,125.20

Finding the Fourth Proportional to 2,220,007.20, 3,330,010.80 and 1,157,125.20

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Solution

The fourth proportional to 2,220,007.20, 3,330,010.80 and 1,157,125.20 is: 1,735,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,007.20 : 3,330,010.80 = 1,157,125.20 : x
  2. Step 2: Convert to fraction form
    2,220,007.20/3,330,010.80 = 1,157,125.20/x
  3. Step 3: Cross multiply
    2,220,007.20x = 3,330,010.80 × 1,157,125.20
  4. Step 4: Simplify right side
    2,220,007.20x = 3,853,239,412,952.16
  5. Step 5: Solve for x
    x = 3,853,239,412,952.16/2,220,007.20
  6. Step 6: Final answer
    x = 1,735,687.80

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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.