Home / 2,135,911.25-3,204,061.56-696,225.13

Finding the Fourth Proportional to 2,135,911.25, 3,204,061.56 and 696,225.13

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Solution

The fourth proportional to 2,135,911.25, 3,204,061.56 and 696,225.13 is: 1,044,401.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,911.25 : 3,204,061.56 = 696,225.13 : x
  2. Step 2: Convert to fraction form
    2,135,911.25/3,204,061.56 = 696,225.13/x
  3. Step 3: Cross multiply
    2,135,911.25x = 3,204,061.56 × 696,225.13
  4. Step 4: Simplify right side
    2,135,911.25x = 2,230,748,168,128.85
  5. Step 5: Solve for x
    x = 2,230,748,168,128.85/2,135,911.25
  6. Step 6: Final answer
    x = 1,044,401.15

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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.