Home / 5,439,740.60-8,161,619.70-2,245,143.80

Finding the Fourth Proportional to 5,439,740.60, 8,161,619.70 and 2,245,143.80

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Solution

The fourth proportional to 5,439,740.60, 8,161,619.70 and 2,245,143.80 is: 3,368,544.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,740.60 : 8,161,619.70 = 2,245,143.80 : x
  2. Step 2: Convert to fraction form
    5,439,740.60/8,161,619.70 = 2,245,143.80/x
  3. Step 3: Cross multiply
    5,439,740.60x = 8,161,619.70 × 2,245,143.80
  4. Step 4: Simplify right side
    5,439,740.60x = 18,324,009,867,412.86
  5. Step 5: Solve for x
    x = 18,324,009,867,412.86/5,439,740.60
  6. Step 6: Final answer
    x = 3,368,544.79

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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.