Home / 5,431,965.70-8,148,932.70-2,729,489.80

Finding the Fourth Proportional to 5,431,965.70, 8,148,932.70 and 2,729,489.80

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Solution

The fourth proportional to 5,431,965.70, 8,148,932.70 and 2,729,489.80 is: 4,094,729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,965.70 : 8,148,932.70 = 2,729,489.80 : x
  2. Step 2: Convert to fraction form
    5,431,965.70/8,148,932.70 = 2,729,489.80/x
  3. Step 3: Cross multiply
    5,431,965.70x = 8,148,932.70 × 2,729,489.80
  4. Step 4: Simplify right side
    5,431,965.70x = 22,242,428,685,536.46
  5. Step 5: Solve for x
    x = 22,242,428,685,536.46/5,431,965.70
  6. Step 6: Final answer
    x = 4,094,729.22

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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.