Home / 2,619,543.42-3,929,315.31-726,284.91

Finding the Fourth Proportional to 2,619,543.42, 3,929,315.31 and 726,284.91

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Solution

The fourth proportional to 2,619,543.42, 3,929,315.31 and 726,284.91 is: 1,089,427.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,543.42 : 3,929,315.31 = 726,284.91 : x
  2. Step 2: Convert to fraction form
    2,619,543.42/3,929,315.31 = 726,284.91/x
  3. Step 3: Cross multiply
    2,619,543.42x = 3,929,315.31 × 726,284.91
  4. Step 4: Simplify right side
    2,619,543.42x = 2,853,802,416,284.97
  5. Step 5: Solve for x
    x = 2,853,802,416,284.97/2,619,543.42
  6. Step 6: Final answer
    x = 1,089,427.41

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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.