Home / 2,682,407.80-4,023,611.70-789,340.60

Finding the Fourth Proportional to 2,682,407.80, 4,023,611.70 and 789,340.60

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Solution

The fourth proportional to 2,682,407.80, 4,023,611.70 and 789,340.60 is: 1,184,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682,407.80 : 4,023,611.70 = 789,340.60 : x
  2. Step 2: Convert to fraction form
    2,682,407.80/4,023,611.70 = 789,340.60/x
  3. Step 3: Cross multiply
    2,682,407.80x = 4,023,611.70 × 789,340.60
  4. Step 4: Simplify right side
    2,682,407.80x = 3,176,000,073,445.02
  5. Step 5: Solve for x
    x = 3,176,000,073,445.02/2,682,407.80
  6. Step 6: Final answer
    x = 1,184,010.90

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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.