Home / 2,616,720.12-3,925,077.02-819,743.56

Finding the Fourth Proportional to 2,616,720.12, 3,925,077.02 and 819,743.56

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Solution

The fourth proportional to 2,616,720.12, 3,925,077.02 and 819,743.56 is: 1,229,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,720.12 : 3,925,077.02 = 819,743.56 : x
  2. Step 2: Convert to fraction form
    2,616,720.12/3,925,077.02 = 819,743.56/x
  3. Step 3: Cross multiply
    2,616,720.12x = 3,925,077.02 × 819,743.56
  4. Step 4: Simplify right side
    2,616,720.12x = 3,217,556,609,648.99
  5. Step 5: Solve for x
    x = 3,217,556,609,648.99/2,616,720.12
  6. Step 6: Final answer
    x = 1,229,614.35

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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.