Home / 3,130,921.67-4,694,675.18-942,172.43

Finding the Fourth Proportional to 3,130,921.67, 4,694,675.18 and 942,172.43

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Solution

The fourth proportional to 3,130,921.67, 4,694,675.18 and 942,172.43 is: 1,412,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,921.67 : 4,694,675.18 = 942,172.43 : x
  2. Step 2: Convert to fraction form
    3,130,921.67/4,694,675.18 = 942,172.43/x
  3. Step 3: Cross multiply
    3,130,921.67x = 4,694,675.18 × 942,172.43
  4. Step 4: Simplify right side
    3,130,921.67x = 4,423,193,494,217.05
  5. Step 5: Solve for x
    x = 4,423,193,494,217.05/3,130,921.67
  6. Step 6: Final answer
    x = 1,412,744.86

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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.