Home / 2,115,836.82-3,173,081.19-695,565.54

Finding the Fourth Proportional to 2,115,836.82, 3,173,081.19 and 695,565.54

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Solution

The fourth proportional to 2,115,836.82, 3,173,081.19 and 695,565.54 is: 1,043,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,836.82 : 3,173,081.19 = 695,565.54 : x
  2. Step 2: Convert to fraction form
    2,115,836.82/3,173,081.19 = 695,565.54/x
  3. Step 3: Cross multiply
    2,115,836.82x = 3,173,081.19 × 695,565.54
  4. Step 4: Simplify right side
    2,115,836.82x = 2,207,085,931,386.19
  5. Step 5: Solve for x
    x = 2,207,085,931,386.19/2,115,836.82
  6. Step 6: Final answer
    x = 1,043,126.72

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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.