Home / 2,186,086.12-3,016,804.20-1,219,279.03

Finding the Fourth Proportional to 2,186,086.12, 3,016,804.20 and 1,219,279.03

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Solution

The fourth proportional to 2,186,086.12, 3,016,804.20 and 1,219,279.03 is: 1,682,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,086.12 : 3,016,804.20 = 1,219,279.03 : x
  2. Step 2: Convert to fraction form
    2,186,086.12/3,016,804.20 = 1,219,279.03/x
  3. Step 3: Cross multiply
    2,186,086.12x = 3,016,804.20 × 1,219,279.03
  4. Step 4: Simplify right side
    2,186,086.12x = 3,678,326,086,561.62
  5. Step 5: Solve for x
    x = 3,678,326,086,561.62/2,186,086.12
  6. Step 6: Final answer
    x = 1,682,608.04

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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.