Home / 4,090,688.31-6,120,875.67-3,278,609.70

Finding the Fourth Proportional to 4,090,688.31, 6,120,875.67 and 3,278,609.70

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Solution

The fourth proportional to 4,090,688.31, 6,120,875.67 and 3,278,609.70 is: 4,905,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090,688.31 : 6,120,875.67 = 3,278,609.70 : x
  2. Step 2: Convert to fraction form
    4,090,688.31/6,120,875.67 = 3,278,609.70/x
  3. Step 3: Cross multiply
    4,090,688.31x = 6,120,875.67 × 3,278,609.70
  4. Step 4: Simplify right side
    4,090,688.31x = 20,067,962,379,404.07
  5. Step 5: Solve for x
    x = 20,067,962,379,404.07/4,090,688.31
  6. Step 6: Final answer
    x = 4,905,766.68

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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.