Home / 3,997,493.40-5,516,394.75-2,278,281.81

Finding the Fourth Proportional to 3,997,493.40, 5,516,394.75 and 2,278,281.81

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Solution

The fourth proportional to 3,997,493.40, 5,516,394.75 and 2,278,281.81 is: 3,143,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997,493.40 : 5,516,394.75 = 2,278,281.81 : x
  2. Step 2: Convert to fraction form
    3,997,493.40/5,516,394.75 = 2,278,281.81/x
  3. Step 3: Cross multiply
    3,997,493.40x = 5,516,394.75 × 2,278,281.81
  4. Step 4: Simplify right side
    3,997,493.40x = 12,567,901,815,704.50
  5. Step 5: Solve for x
    x = 12,567,901,815,704.50/3,997,493.40
  6. Step 6: Final answer
    x = 3,143,945.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.