Home / 2,878,589.82-4,317,131.16-856,289.28

Finding the Fourth Proportional to 2,878,589.82, 4,317,131.16 and 856,289.28

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Solution

The fourth proportional to 2,878,589.82, 4,317,131.16 and 856,289.28 is: 1,284,209.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,589.82 : 4,317,131.16 = 856,289.28 : x
  2. Step 2: Convert to fraction form
    2,878,589.82/4,317,131.16 = 856,289.28/x
  3. Step 3: Cross multiply
    2,878,589.82x = 4,317,131.16 × 856,289.28
  4. Step 4: Simplify right side
    2,878,589.82x = 3,696,713,132,661.97
  5. Step 5: Solve for x
    x = 3,696,713,132,661.97/2,878,589.82
  6. Step 6: Final answer
    x = 1,284,209.76

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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.