Home / 3,188,117.95-4,399,649-1,737,813.76

Finding the Fourth Proportional to 3,188,117.95, 4,399,649 and 1,737,813.76

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Solution

The fourth proportional to 3,188,117.95, 4,399,649 and 1,737,813.76 is: 2,398,208.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,117.95 : 4,399,649 = 1,737,813.76 : x
  2. Step 2: Convert to fraction form
    3,188,117.95/4,399,649 = 1,737,813.76/x
  3. Step 3: Cross multiply
    3,188,117.95x = 4,399,649 × 1,737,813.76
  4. Step 4: Simplify right side
    3,188,117.95x = 7,645,770,571,370.24
  5. Step 5: Solve for x
    x = 7,645,770,571,370.24/3,188,117.95
  6. Step 6: Final answer
    x = 2,398,208.19

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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.