Home / 5,428,645.40-8,147,560.80-2,236,062.80

Finding the Fourth Proportional to 5,428,645.40, 8,147,560.80 and 2,236,062.80

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Solution

The fourth proportional to 5,428,645.40, 8,147,560.80 and 2,236,062.80 is: 3,355,985.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,645.40 : 8,147,560.80 = 2,236,062.80 : x
  2. Step 2: Convert to fraction form
    5,428,645.40/8,147,560.80 = 2,236,062.80/x
  3. Step 3: Cross multiply
    5,428,645.40x = 8,147,560.80 × 2,236,062.80
  4. Step 4: Simplify right side
    5,428,645.40x = 18,218,457,615,618.24
  5. Step 5: Solve for x
    x = 18,218,457,615,618.24/5,428,645.40
  6. Step 6: Final answer
    x = 3,355,985.94

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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.