Home / 2,646,890.59-3,968,734.22-1,187,669.52

Finding the Fourth Proportional to 2,646,890.59, 3,968,734.22 and 1,187,669.52

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Solution

The fourth proportional to 2,646,890.59, 3,968,734.22 and 1,187,669.52 is: 1,780,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,890.59 : 3,968,734.22 = 1,187,669.52 : x
  2. Step 2: Convert to fraction form
    2,646,890.59/3,968,734.22 = 1,187,669.52/x
  3. Step 3: Cross multiply
    2,646,890.59x = 3,968,734.22 × 1,187,669.52
  4. Step 4: Simplify right side
    2,646,890.59x = 4,713,544,666,074.97
  5. Step 5: Solve for x
    x = 4,713,544,666,074.97/2,646,890.59
  6. Step 6: Final answer
    x = 1,780,785.61

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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.