Home / 2,154,575.85-3,231,739.17-789,270.90

Finding the Fourth Proportional to 2,154,575.85, 3,231,739.17 and 789,270.90

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Solution

The fourth proportional to 2,154,575.85, 3,231,739.17 and 789,270.90 is: 1,183,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,575.85 : 3,231,739.17 = 789,270.90 : x
  2. Step 2: Convert to fraction form
    2,154,575.85/3,231,739.17 = 789,270.90/x
  3. Step 3: Cross multiply
    2,154,575.85x = 3,231,739.17 × 789,270.90
  4. Step 4: Simplify right side
    2,154,575.85x = 2,550,717,683,271.15
  5. Step 5: Solve for x
    x = 2,550,717,683,271.15/2,154,575.85
  6. Step 6: Final answer
    x = 1,183,860.70

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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.