Home / 3,999,470.78-5,519,426.32-2,257,201.04

Finding the Fourth Proportional to 3,999,470.78, 5,519,426.32 and 2,257,201.04

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Solution

The fourth proportional to 3,999,470.78, 5,519,426.32 and 2,257,201.04 is: 3,115,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,470.78 : 5,519,426.32 = 2,257,201.04 : x
  2. Step 2: Convert to fraction form
    3,999,470.78/5,519,426.32 = 2,257,201.04/x
  3. Step 3: Cross multiply
    3,999,470.78x = 5,519,426.32 × 2,257,201.04
  4. Step 4: Simplify right side
    3,999,470.78x = 12,458,454,829,707.37
  5. Step 5: Solve for x
    x = 12,458,454,829,707.37/3,999,470.78
  6. Step 6: Final answer
    x = 3,115,025.84

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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.