Home / 2,016,189.90-3,020,785.65-1,890,218.70

Finding the Fourth Proportional to 2,016,189.90, 3,020,785.65 and 1,890,218.70

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Solution

The fourth proportional to 2,016,189.90, 3,020,785.65 and 1,890,218.70 is: 2,832,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016,189.90 : 3,020,785.65 = 1,890,218.70 : x
  2. Step 2: Convert to fraction form
    2,016,189.90/3,020,785.65 = 1,890,218.70/x
  3. Step 3: Cross multiply
    2,016,189.90x = 3,020,785.65 × 1,890,218.70
  4. Step 4: Simplify right side
    2,016,189.90x = 5,709,945,524,321.65
  5. Step 5: Solve for x
    x = 5,709,945,524,321.65/2,016,189.90
  6. Step 6: Final answer
    x = 2,832,047.48

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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.