Home / 6,469,789.95-8,928,340.32-3,569,180.05

Finding the Fourth Proportional to 6,469,789.95, 8,928,340.32 and 3,569,180.05

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Solution

The fourth proportional to 6,469,789.95, 8,928,340.32 and 3,569,180.05 is: 4,925,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469,789.95 : 8,928,340.32 = 3,569,180.05 : x
  2. Step 2: Convert to fraction form
    6,469,789.95/8,928,340.32 = 3,569,180.05/x
  3. Step 3: Cross multiply
    6,469,789.95x = 8,928,340.32 × 3,569,180.05
  4. Step 4: Simplify right side
    6,469,789.95x = 31,866,854,174,299.47
  5. Step 5: Solve for x
    x = 31,866,854,174,299.47/6,469,789.95
  6. Step 6: Final answer
    x = 4,925,485.13

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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.