Home / 2,799,015.40-4,198,523.10-905,948.20

Finding the Fourth Proportional to 2,799,015.40, 4,198,523.10 and 905,948.20

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Solution

The fourth proportional to 2,799,015.40, 4,198,523.10 and 905,948.20 is: 1,358,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,015.40 : 4,198,523.10 = 905,948.20 : x
  2. Step 2: Convert to fraction form
    2,799,015.40/4,198,523.10 = 905,948.20/x
  3. Step 3: Cross multiply
    2,799,015.40x = 4,198,523.10 × 905,948.20
  4. Step 4: Simplify right side
    2,799,015.40x = 3,803,644,445,103.42
  5. Step 5: Solve for x
    x = 3,803,644,445,103.42/2,799,015.40
  6. Step 6: Final answer
    x = 1,358,922.30

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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.