Home / 2,016,128.70-3,020,693.85-1,305,791.10

Finding the Fourth Proportional to 2,016,128.70, 3,020,693.85 and 1,305,791.10

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Solution

The fourth proportional to 2,016,128.70, 3,020,693.85 and 1,305,791.10 is: 1,956,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016,128.70 : 3,020,693.85 = 1,305,791.10 : x
  2. Step 2: Convert to fraction form
    2,016,128.70/3,020,693.85 = 1,305,791.10/x
  3. Step 3: Cross multiply
    2,016,128.70x = 3,020,693.85 × 1,305,791.10
  4. Step 4: Simplify right side
    2,016,128.70x = 3,944,395,145,154.74
  5. Step 5: Solve for x
    x = 3,944,395,145,154.74/2,016,128.70
  6. Step 6: Final answer
    x = 1,956,420.31

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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.