Home / 5,439,917.60-8,161,885.20-2,245,320.80

Finding the Fourth Proportional to 5,439,917.60, 8,161,885.20 and 2,245,320.80

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Solution

The fourth proportional to 5,439,917.60, 8,161,885.20 and 2,245,320.80 is: 3,368,810.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,917.60 : 8,161,885.20 = 2,245,320.80 : x
  2. Step 2: Convert to fraction form
    5,439,917.60/8,161,885.20 = 2,245,320.80/x
  3. Step 3: Cross multiply
    5,439,917.60x = 8,161,885.20 × 2,245,320.80
  4. Step 4: Simplify right side
    5,439,917.60x = 18,326,050,606,772.16
  5. Step 5: Solve for x
    x = 18,326,050,606,772.16/5,439,917.60
  6. Step 6: Final answer
    x = 3,368,810.33

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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.