Home / 2,799,217.60-4,199,492.64-905,959.04

Finding the Fourth Proportional to 2,799,217.60, 4,199,492.64 and 905,959.04

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Solution

The fourth proportional to 2,799,217.60, 4,199,492.64 and 905,959.04 is: 1,359,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,217.60 : 4,199,492.64 = 905,959.04 : x
  2. Step 2: Convert to fraction form
    2,799,217.60/4,199,492.64 = 905,959.04/x
  3. Step 3: Cross multiply
    2,799,217.60x = 4,199,492.64 × 905,959.04
  4. Step 4: Simplify right side
    2,799,217.60x = 3,804,568,320,621.47
  5. Step 5: Solve for x
    x = 3,804,568,320,621.47/2,799,217.60
  6. Step 6: Final answer
    x = 1,359,154.19

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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.