Home / 2,639,538.75-3,960,805.88-1,425,099.18

Finding the Fourth Proportional to 2,639,538.75, 3,960,805.88 and 1,425,099.18

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Solution

The fourth proportional to 2,639,538.75, 3,960,805.88 and 1,425,099.18 is: 2,138,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,538.75 : 3,960,805.88 = 1,425,099.18 : x
  2. Step 2: Convert to fraction form
    2,639,538.75/3,960,805.88 = 1,425,099.18/x
  3. Step 3: Cross multiply
    2,639,538.75x = 3,960,805.88 × 1,425,099.18
  4. Step 4: Simplify right side
    2,639,538.75x = 5,644,541,211,727.18
  5. Step 5: Solve for x
    x = 5,644,541,211,727.18/2,639,538.75
  6. Step 6: Final answer
    x = 2,138,457.41

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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.