Home / 2,171,224.12-3,255,961.02-654,437.56

Finding the Fourth Proportional to 2,171,224.12, 3,255,961.02 and 654,437.56

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Solution

The fourth proportional to 2,171,224.12, 3,255,961.02 and 654,437.56 is: 981,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,224.12 : 3,255,961.02 = 654,437.56 : x
  2. Step 2: Convert to fraction form
    2,171,224.12/3,255,961.02 = 654,437.56/x
  3. Step 3: Cross multiply
    2,171,224.12x = 3,255,961.02 × 654,437.56
  4. Step 4: Simplify right side
    2,171,224.12x = 2,130,823,185,383.91
  5. Step 5: Solve for x
    x = 2,130,823,185,383.91/2,171,224.12
  6. Step 6: Final answer
    x = 981,392.55

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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.