Home / 3,496,540.74-4,825,375.05-1,947,800.54

Finding the Fourth Proportional to 3,496,540.74, 4,825,375.05 and 1,947,800.54

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Solution

The fourth proportional to 3,496,540.74, 4,825,375.05 and 1,947,800.54 is: 2,688,047.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,496,540.74 : 4,825,375.05 = 1,947,800.54 : x
  2. Step 2: Convert to fraction form
    3,496,540.74/4,825,375.05 = 1,947,800.54/x
  3. Step 3: Cross multiply
    3,496,540.74x = 4,825,375.05 × 1,947,800.54
  4. Step 4: Simplify right side
    3,496,540.74x = 9,398,868,109,361.10
  5. Step 5: Solve for x
    x = 9,398,868,109,361.10/3,496,540.74
  6. Step 6: Final answer
    x = 2,688,047.65

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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.