Home / 2,739,139.11-3,781,222.74-1,636,959.48

Finding the Fourth Proportional to 2,739,139.11, 3,781,222.74 and 1,636,959.48

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Solution

The fourth proportional to 2,739,139.11, 3,781,222.74 and 1,636,959.48 is: 2,259,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,139.11 : 3,781,222.74 = 1,636,959.48 : x
  2. Step 2: Convert to fraction form
    2,739,139.11/3,781,222.74 = 1,636,959.48/x
  3. Step 3: Cross multiply
    2,739,139.11x = 3,781,222.74 × 1,636,959.48
  4. Step 4: Simplify right side
    2,739,139.11x = 6,189,708,410,234.58
  5. Step 5: Solve for x
    x = 6,189,708,410,234.58/2,739,139.11
  6. Step 6: Final answer
    x = 2,259,727.66

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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.