Home / 2,160,007.20-3,240,010.80-739,936.80

Finding the Fourth Proportional to 2,160,007.20, 3,240,010.80 and 739,936.80

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Solution

The fourth proportional to 2,160,007.20, 3,240,010.80 and 739,936.80 is: 1,109,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,007.20 : 3,240,010.80 = 739,936.80 : x
  2. Step 2: Convert to fraction form
    2,160,007.20/3,240,010.80 = 739,936.80/x
  3. Step 3: Cross multiply
    2,160,007.20x = 3,240,010.80 × 739,936.80
  4. Step 4: Simplify right side
    2,160,007.20x = 2,397,403,223,317.44
  5. Step 5: Solve for x
    x = 2,397,403,223,317.44/2,160,007.20
  6. Step 6: Final answer
    x = 1,109,905.20

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1.5x scale

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.