Home / 2,626,138.56-3,939,206.56-631,593.92

Finding the Fourth Proportional to 2,626,138.56, 3,939,206.56 and 631,593.92

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Solution

The fourth proportional to 2,626,138.56, 3,939,206.56 and 631,593.92 is: 947,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626,138.56 : 3,939,206.56 = 631,593.92 : x
  2. Step 2: Convert to fraction form
    2,626,138.56/3,939,206.56 = 631,593.92/x
  3. Step 3: Cross multiply
    2,626,138.56x = 3,939,206.56 × 631,593.92
  4. Step 4: Simplify right side
    2,626,138.56x = 2,487,978,912,920.12
  5. Step 5: Solve for x
    x = 2,487,978,912,920.12/2,626,138.56
  6. Step 6: Final answer
    x = 947,390.57

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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.