Home / 3,906,873.60-5,391,228.96-2,187,600

Finding the Fourth Proportional to 3,906,873.60, 5,391,228.96 and 2,187,600

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Solution

The fourth proportional to 3,906,873.60, 5,391,228.96 and 2,187,600 is: 3,018,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,873.60 : 5,391,228.96 = 2,187,600 : x
  2. Step 2: Convert to fraction form
    3,906,873.60/5,391,228.96 = 2,187,600/x
  3. Step 3: Cross multiply
    3,906,873.60x = 5,391,228.96 × 2,187,600
  4. Step 4: Simplify right side
    3,906,873.60x = 11,793,852,472,896
  5. Step 5: Solve for x
    x = 11,793,852,472,896/3,906,873.60
  6. Step 6: Final answer
    x = 3,018,744.32

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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.