Home / 2,174,415.20-3,258,998.40-1,108,908.80

Finding the Fourth Proportional to 2,174,415.20, 3,258,998.40 and 1,108,908.80

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Solution

The fourth proportional to 2,174,415.20, 3,258,998.40 and 1,108,908.80 is: 1,662,024.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,415.20 : 3,258,998.40 = 1,108,908.80 : x
  2. Step 2: Convert to fraction form
    2,174,415.20/3,258,998.40 = 1,108,908.80/x
  3. Step 3: Cross multiply
    2,174,415.20x = 3,258,998.40 × 1,108,908.80
  4. Step 4: Simplify right side
    2,174,415.20x = 3,613,932,004,945.92
  5. Step 5: Solve for x
    x = 3,613,932,004,945.92/2,174,415.20
  6. Step 6: Final answer
    x = 1,662,024.81

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1.5x scale

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.