Home / 2,115,291.60-3,172,264.56-695,020.32

Finding the Fourth Proportional to 2,115,291.60, 3,172,264.56 and 695,020.32

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Solution

The fourth proportional to 2,115,291.60, 3,172,264.56 and 695,020.32 is: 1,042,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,291.60 : 3,172,264.56 = 695,020.32 : x
  2. Step 2: Convert to fraction form
    2,115,291.60/3,172,264.56 = 695,020.32/x
  3. Step 3: Cross multiply
    2,115,291.60x = 3,172,264.56 × 695,020.32
  4. Step 4: Simplify right side
    2,115,291.60x = 2,204,788,329,615.86
  5. Step 5: Solve for x
    x = 2,204,788,329,615.86/2,115,291.60
  6. Step 6: Final answer
    x = 1,042,309.41

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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.