Home / 2,079,062.40-3,118,593.60-1,281,244.80

Finding the Fourth Proportional to 2,079,062.40, 3,118,593.60 and 1,281,244.80

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Solution

The fourth proportional to 2,079,062.40, 3,118,593.60 and 1,281,244.80 is: 1,921,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,062.40 : 3,118,593.60 = 1,281,244.80 : x
  2. Step 2: Convert to fraction form
    2,079,062.40/3,118,593.60 = 1,281,244.80/x
  3. Step 3: Cross multiply
    2,079,062.40x = 3,118,593.60 × 1,281,244.80
  4. Step 4: Simplify right side
    2,079,062.40x = 3,995,681,833,313.28
  5. Step 5: Solve for x
    x = 3,995,681,833,313.28/2,079,062.40
  6. Step 6: Final answer
    x = 1,921,867.20

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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.