Home / 6,642,729.40-9,957,824.70-3,605,618.20

Finding the Fourth Proportional to 6,642,729.40, 9,957,824.70 and 3,605,618.20

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Solution

The fourth proportional to 6,642,729.40, 9,957,824.70 and 3,605,618.20 is: 5,405,024.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,729.40 : 9,957,824.70 = 3,605,618.20 : x
  2. Step 2: Convert to fraction form
    6,642,729.40/9,957,824.70 = 3,605,618.20/x
  3. Step 3: Cross multiply
    6,642,729.40x = 9,957,824.70 × 3,605,618.20
  4. Step 4: Simplify right side
    6,642,729.40x = 35,904,113,970,729.54
  5. Step 5: Solve for x
    x = 35,904,113,970,729.54/6,642,729.40
  6. Step 6: Final answer
    x = 5,405,024.32

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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.