Home / 3,206,947.56-4,810,645.80-1,287,858.48

Finding the Fourth Proportional to 3,206,947.56, 4,810,645.80 and 1,287,858.48

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Solution

The fourth proportional to 3,206,947.56, 4,810,645.80 and 1,287,858.48 is: 1,931,877.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206,947.56 : 4,810,645.80 = 1,287,858.48 : x
  2. Step 2: Convert to fraction form
    3,206,947.56/4,810,645.80 = 1,287,858.48/x
  3. Step 3: Cross multiply
    3,206,947.56x = 4,810,645.80 × 1,287,858.48
  4. Step 4: Simplify right side
    3,206,947.56x = 6,195,430,987,806.38
  5. Step 5: Solve for x
    x = 6,195,430,987,806.38/3,206,947.56
  6. Step 6: Final answer
    x = 1,931,877.86

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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.