Home / 2,841,765.60-4,258,974-2,126,179.20

Finding the Fourth Proportional to 2,841,765.60, 4,258,974 and 2,126,179.20

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Solution

The fourth proportional to 2,841,765.60, 4,258,974 and 2,126,179.20 is: 3,186,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841,765.60 : 4,258,974 = 2,126,179.20 : x
  2. Step 2: Convert to fraction form
    2,841,765.60/4,258,974 = 2,126,179.20/x
  3. Step 3: Cross multiply
    2,841,765.60x = 4,258,974 × 2,126,179.20
  4. Step 4: Simplify right side
    2,841,765.60x = 9,055,341,932,140.80
  5. Step 5: Solve for x
    x = 9,055,341,932,140.80/2,841,765.60
  6. Step 6: Final answer
    x = 3,186,519.65

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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.