Home / 2,131,486.04-3,198,803.70-1,009,555

Finding the Fourth Proportional to 2,131,486.04, 3,198,803.70 and 1,009,555

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Solution

The fourth proportional to 2,131,486.04, 3,198,803.70 and 1,009,555 is: 1,515,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,486.04 : 3,198,803.70 = 1,009,555 : x
  2. Step 2: Convert to fraction form
    2,131,486.04/3,198,803.70 = 1,009,555/x
  3. Step 3: Cross multiply
    2,131,486.04x = 3,198,803.70 × 1,009,555
  4. Step 4: Simplify right side
    2,131,486.04x = 3,229,368,269,353.50
  5. Step 5: Solve for x
    x = 3,229,368,269,353.50/2,131,486.04
  6. Step 6: Final answer
    x = 1,515,078.31

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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.