Home / 5,127,887-7,078,662.96-3,195,102.52

Finding the Fourth Proportional to 5,127,887, 7,078,662.96 and 3,195,102.52

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Solution

The fourth proportional to 5,127,887, 7,078,662.96 and 3,195,102.52 is: 4,410,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,887 : 7,078,662.96 = 3,195,102.52 : x
  2. Step 2: Convert to fraction form
    5,127,887/7,078,662.96 = 3,195,102.52/x
  3. Step 3: Cross multiply
    5,127,887x = 7,078,662.96 × 3,195,102.52
  4. Step 4: Simplify right side
    5,127,887x = 22,617,053,861,726.66
  5. Step 5: Solve for x
    x = 22,617,053,861,726.66/5,127,887
  6. Step 6: Final answer
    x = 4,410,599.11

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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.