Home / 5,510,400.30-8,265,600.45-3,986,936.10

Finding the Fourth Proportional to 5,510,400.30, 8,265,600.45 and 3,986,936.10

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Solution

The fourth proportional to 5,510,400.30, 8,265,600.45 and 3,986,936.10 is: 5,980,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510,400.30 : 8,265,600.45 = 3,986,936.10 : x
  2. Step 2: Convert to fraction form
    5,510,400.30/8,265,600.45 = 3,986,936.10/x
  3. Step 3: Cross multiply
    5,510,400.30x = 8,265,600.45 × 3,986,936.10
  4. Step 4: Simplify right side
    5,510,400.30x = 32,954,420,822,281.25
  5. Step 5: Solve for x
    x = 32,954,420,822,281.25/5,510,400.30
  6. Step 6: Final answer
    x = 5,980,404.15

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1.5x scale

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.