Home / 2,948,736.78-4,423,106.97-818,821.13

Finding the Fourth Proportional to 2,948,736.78, 4,423,106.97 and 818,821.13

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Solution

The fourth proportional to 2,948,736.78, 4,423,106.97 and 818,821.13 is: 1,228,232.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,736.78 : 4,423,106.97 = 818,821.13 : x
  2. Step 2: Convert to fraction form
    2,948,736.78/4,423,106.97 = 818,821.13/x
  3. Step 3: Cross multiply
    2,948,736.78x = 4,423,106.97 × 818,821.13
  4. Step 4: Simplify right side
    2,948,736.78x = 3,621,733,425,170.74
  5. Step 5: Solve for x
    x = 3,621,733,425,170.74/2,948,736.78
  6. Step 6: Final answer
    x = 1,228,232.19

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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.