Home / 5,439,493.90-8,139,115.32-3,281,770.54

Finding the Fourth Proportional to 5,439,493.90, 8,139,115.32 and 3,281,770.54

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Solution

The fourth proportional to 5,439,493.90, 8,139,115.32 and 3,281,770.54 is: 4,910,513.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,493.90 : 8,139,115.32 = 3,281,770.54 : x
  2. Step 2: Convert to fraction form
    5,439,493.90/8,139,115.32 = 3,281,770.54/x
  3. Step 3: Cross multiply
    5,439,493.90x = 8,139,115.32 × 3,281,770.54
  4. Step 4: Simplify right side
    5,439,493.90x = 26,710,708,878,838.68
  5. Step 5: Solve for x
    x = 26,710,708,878,838.68/5,439,493.90
  6. Step 6: Final answer
    x = 4,910,513.62

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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.