Home / 2,174,455.20-3,259,058.40-1,108,948.80

Finding the Fourth Proportional to 2,174,455.20, 3,259,058.40 and 1,108,948.80

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Solution

The fourth proportional to 2,174,455.20, 3,259,058.40 and 1,108,948.80 is: 1,662,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,455.20 : 3,259,058.40 = 1,108,948.80 : x
  2. Step 2: Convert to fraction form
    2,174,455.20/3,259,058.40 = 1,108,948.80/x
  3. Step 3: Cross multiply
    2,174,455.20x = 3,259,058.40 × 1,108,948.80
  4. Step 4: Simplify right side
    2,174,455.20x = 3,614,128,901,809.92
  5. Step 5: Solve for x
    x = 3,614,128,901,809.92/2,174,455.20
  6. Step 6: Final answer
    x = 1,662,084.78

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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.