Home / 2,379,154.88-3,283,121.76-1,291,401.92

Finding the Fourth Proportional to 2,379,154.88, 3,283,121.76 and 1,291,401.92

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Solution

The fourth proportional to 2,379,154.88, 3,283,121.76 and 1,291,401.92 is: 1,782,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,154.88 : 3,283,121.76 = 1,291,401.92 : x
  2. Step 2: Convert to fraction form
    2,379,154.88/3,283,121.76 = 1,291,401.92/x
  3. Step 3: Cross multiply
    2,379,154.88x = 3,283,121.76 × 1,291,401.92
  4. Step 4: Simplify right side
    2,379,154.88x = 4,239,829,744,457.78
  5. Step 5: Solve for x
    x = 4,239,829,744,457.78/2,379,154.88
  6. Step 6: Final answer
    x = 1,782,073.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.