Home / 2,709,162.90-4,063,736.25-687,402.90

Finding the Fourth Proportional to 2,709,162.90, 4,063,736.25 and 687,402.90

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Solution

The fourth proportional to 2,709,162.90, 4,063,736.25 and 687,402.90 is: 1,031,102.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,162.90 : 4,063,736.25 = 687,402.90 : x
  2. Step 2: Convert to fraction form
    2,709,162.90/4,063,736.25 = 687,402.90/x
  3. Step 3: Cross multiply
    2,709,162.90x = 4,063,736.25 × 687,402.90
  4. Step 4: Simplify right side
    2,709,162.90x = 2,793,424,083,085.13
  5. Step 5: Solve for x
    x = 2,793,424,083,085.13/2,709,162.90
  6. Step 6: Final answer
    x = 1,031,102.29

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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.