Home / 5,439,920.60-8,161,889.70-2,245,323.80

Finding the Fourth Proportional to 5,439,920.60, 8,161,889.70 and 2,245,323.80

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Solution

The fourth proportional to 5,439,920.60, 8,161,889.70 and 2,245,323.80 is: 3,368,814.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,920.60 : 8,161,889.70 = 2,245,323.80 : x
  2. Step 2: Convert to fraction form
    5,439,920.60/8,161,889.70 = 2,245,323.80/x
  3. Step 3: Cross multiply
    5,439,920.60x = 8,161,889.70 × 2,245,323.80
  4. Step 4: Simplify right side
    5,439,920.60x = 18,326,085,196,384.86
  5. Step 5: Solve for x
    x = 18,326,085,196,384.86/5,439,920.60
  6. Step 6: Final answer
    x = 3,368,814.83

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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.