Home / 2,945,181.28-4,417,279.80-815,480.68

Finding the Fourth Proportional to 2,945,181.28, 4,417,279.80 and 815,480.68

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Solution

The fourth proportional to 2,945,181.28, 4,417,279.80 and 815,480.68 is: 1,223,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,181.28 : 4,417,279.80 = 815,480.68 : x
  2. Step 2: Convert to fraction form
    2,945,181.28/4,417,279.80 = 815,480.68/x
  3. Step 3: Cross multiply
    2,945,181.28x = 4,417,279.80 × 815,480.68
  4. Step 4: Simplify right side
    2,945,181.28x = 3,602,206,335,054.26
  5. Step 5: Solve for x
    x = 3,602,206,335,054.26/2,945,181.28
  6. Step 6: Final answer
    x = 1,223,084.76

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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.