Home / 2,986,731.80-4,489,428.90-2,930,744.60

Finding the Fourth Proportional to 2,986,731.80, 4,489,428.90 and 2,930,744.60

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Solution

The fourth proportional to 2,986,731.80, 4,489,428.90 and 2,930,744.60 is: 4,405,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,731.80 : 4,489,428.90 = 2,930,744.60 : x
  2. Step 2: Convert to fraction form
    2,986,731.80/4,489,428.90 = 2,930,744.60/x
  3. Step 3: Cross multiply
    2,986,731.80x = 4,489,428.90 × 2,930,744.60
  4. Step 4: Simplify right side
    2,986,731.80x = 13,157,369,505,758.94
  5. Step 5: Solve for x
    x = 13,157,369,505,758.94/2,986,731.80
  6. Step 6: Final answer
    x = 4,405,273.18

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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.