Home / 3,286,781.60-4,930,172.40-922,570.40

Finding the Fourth Proportional to 3,286,781.60, 4,930,172.40 and 922,570.40

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Solution

The fourth proportional to 3,286,781.60, 4,930,172.40 and 922,570.40 is: 1,383,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,781.60 : 4,930,172.40 = 922,570.40 : x
  2. Step 2: Convert to fraction form
    3,286,781.60/4,930,172.40 = 922,570.40/x
  3. Step 3: Cross multiply
    3,286,781.60x = 4,930,172.40 × 922,570.40
  4. Step 4: Simplify right side
    3,286,781.60x = 4,548,431,123,136.96
  5. Step 5: Solve for x
    x = 4,548,431,123,136.96/3,286,781.60
  6. Step 6: Final answer
    x = 1,383,855.60

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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.