Home / 2,819,625.70-4,229,438.55-926,428.90

Finding the Fourth Proportional to 2,819,625.70, 4,229,438.55 and 926,428.90

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Solution

The fourth proportional to 2,819,625.70, 4,229,438.55 and 926,428.90 is: 1,389,643.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,625.70 : 4,229,438.55 = 926,428.90 : x
  2. Step 2: Convert to fraction form
    2,819,625.70/4,229,438.55 = 926,428.90/x
  3. Step 3: Cross multiply
    2,819,625.70x = 4,229,438.55 × 926,428.90
  4. Step 4: Simplify right side
    2,819,625.70x = 3,918,274,103,494.10
  5. Step 5: Solve for x
    x = 3,918,274,103,494.10/2,819,625.70
  6. Step 6: Final answer
    x = 1,389,643.35

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Similar ratio
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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.