Home / 5,379,876.66-7,424,006.40-2,932,433.86

Finding the Fourth Proportional to 5,379,876.66, 7,424,006.40 and 2,932,433.86

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Solution

The fourth proportional to 5,379,876.66, 7,424,006.40 and 2,932,433.86 is: 4,046,636.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379,876.66 : 7,424,006.40 = 2,932,433.86 : x
  2. Step 2: Convert to fraction form
    5,379,876.66/7,424,006.40 = 2,932,433.86/x
  3. Step 3: Cross multiply
    5,379,876.66x = 7,424,006.40 × 2,932,433.86
  4. Step 4: Simplify right side
    5,379,876.66x = 21,770,407,744,216.70
  5. Step 5: Solve for x
    x = 21,770,407,744,216.70/5,379,876.66
  6. Step 6: Final answer
    x = 4,046,636.96

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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.