Home / 3,639,456.10-5,458,987.31-1,115,118.64

Finding the Fourth Proportional to 3,639,456.10, 5,458,987.31 and 1,115,118.64

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Solution

The fourth proportional to 3,639,456.10, 5,458,987.31 and 1,115,118.64 is: 1,672,617.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,456.10 : 5,458,987.31 = 1,115,118.64 : x
  2. Step 2: Convert to fraction form
    3,639,456.10/5,458,987.31 = 1,115,118.64/x
  3. Step 3: Cross multiply
    3,639,456.10x = 5,458,987.31 × 1,115,118.64
  4. Step 4: Simplify right side
    3,639,456.10x = 6,087,418,477,609.52
  5. Step 5: Solve for x
    x = 6,087,418,477,609.52/3,639,456.10
  6. Step 6: Final answer
    x = 1,672,617.64

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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.