Home / 3,980,857.52-5,490,202.92-3,363,686.48

Finding the Fourth Proportional to 3,980,857.52, 5,490,202.92 and 3,363,686.48

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Solution

The fourth proportional to 3,980,857.52, 5,490,202.92 and 3,363,686.48 is: 4,639,030.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,857.52 : 5,490,202.92 = 3,363,686.48 : x
  2. Step 2: Convert to fraction form
    3,980,857.52/5,490,202.92 = 3,363,686.48/x
  3. Step 3: Cross multiply
    3,980,857.52x = 5,490,202.92 × 3,363,686.48
  4. Step 4: Simplify right side
    3,980,857.52x = 18,467,321,334,460.52
  5. Step 5: Solve for x
    x = 18,467,321,334,460.52/3,980,857.52
  6. Step 6: Final answer
    x = 4,639,030.97

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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.