Home / 6,642,772.40-9,957,889.20-3,605,661.20

Finding the Fourth Proportional to 6,642,772.40, 9,957,889.20 and 3,605,661.20

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Solution

The fourth proportional to 6,642,772.40, 9,957,889.20 and 3,605,661.20 is: 5,405,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,772.40 : 9,957,889.20 = 3,605,661.20 : x
  2. Step 2: Convert to fraction form
    6,642,772.40/9,957,889.20 = 3,605,661.20/x
  3. Step 3: Cross multiply
    6,642,772.40x = 9,957,889.20 × 3,605,661.20
  4. Step 4: Simplify right side
    6,642,772.40x = 35,904,774,722,339.04
  5. Step 5: Solve for x
    x = 35,904,774,722,339.04/6,642,772.40
  6. Step 6: Final answer
    x = 5,405,088.80

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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.