Home / 5,451,040.80-8,176,561.20-1,664,517.60

Finding the Fourth Proportional to 5,451,040.80, 8,176,561.20 and 1,664,517.60

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Solution

The fourth proportional to 5,451,040.80, 8,176,561.20 and 1,664,517.60 is: 2,496,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,040.80 : 8,176,561.20 = 1,664,517.60 : x
  2. Step 2: Convert to fraction form
    5,451,040.80/8,176,561.20 = 1,664,517.60/x
  3. Step 3: Cross multiply
    5,451,040.80x = 8,176,561.20 × 1,664,517.60
  4. Step 4: Simplify right side
    5,451,040.80x = 13,610,030,024,877.12
  5. Step 5: Solve for x
    x = 13,610,030,024,877.12/5,451,040.80
  6. Step 6: Final answer
    x = 2,496,776.40

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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.