Home / 2,133,625.28-3,201,138.72-872,513.60

Finding the Fourth Proportional to 2,133,625.28, 3,201,138.72 and 872,513.60

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Solution

The fourth proportional to 2,133,625.28, 3,201,138.72 and 872,513.60 is: 1,309,056.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,625.28 : 3,201,138.72 = 872,513.60 : x
  2. Step 2: Convert to fraction form
    2,133,625.28/3,201,138.72 = 872,513.60/x
  3. Step 3: Cross multiply
    2,133,625.28x = 3,201,138.72 × 872,513.60
  4. Step 4: Simplify right side
    2,133,625.28x = 2,793,037,068,686.59
  5. Step 5: Solve for x
    x = 2,793,037,068,686.59/2,133,625.28
  6. Step 6: Final answer
    x = 1,309,056.98

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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.