Home / 2,265,278.86-3,125,380.71-1,285,056.46

Finding the Fourth Proportional to 2,265,278.86, 3,125,380.71 and 1,285,056.46

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Solution

The fourth proportional to 2,265,278.86, 3,125,380.71 and 1,285,056.46 is: 1,772,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265,278.86 : 3,125,380.71 = 1,285,056.46 : x
  2. Step 2: Convert to fraction form
    2,265,278.86/3,125,380.71 = 1,285,056.46/x
  3. Step 3: Cross multiply
    2,265,278.86x = 3,125,380.71 × 1,285,056.46
  4. Step 4: Simplify right side
    2,265,278.86x = 4,016,290,655,717.98
  5. Step 5: Solve for x
    x = 4,016,290,655,717.98/2,265,278.86
  6. Step 6: Final answer
    x = 1,772,978.48

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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.