Home / 3,081,989.20-4,622,983.80-1,399,092.70

Finding the Fourth Proportional to 3,081,989.20, 4,622,983.80 and 1,399,092.70

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Solution

The fourth proportional to 3,081,989.20, 4,622,983.80 and 1,399,092.70 is: 2,098,639.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,989.20 : 4,622,983.80 = 1,399,092.70 : x
  2. Step 2: Convert to fraction form
    3,081,989.20/4,622,983.80 = 1,399,092.70/x
  3. Step 3: Cross multiply
    3,081,989.20x = 4,622,983.80 × 1,399,092.70
  4. Step 4: Simplify right side
    3,081,989.20x = 6,467,982,886,798.26
  5. Step 5: Solve for x
    x = 6,467,982,886,798.26/3,081,989.20
  6. Step 6: Final answer
    x = 2,098,639.05

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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.