Home / 2,077,015.70-3,115,815.15-656,923.70

Finding the Fourth Proportional to 2,077,015.70, 3,115,815.15 and 656,923.70

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Solution

The fourth proportional to 2,077,015.70, 3,115,815.15 and 656,923.70 is: 985,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,015.70 : 3,115,815.15 = 656,923.70 : x
  2. Step 2: Convert to fraction form
    2,077,015.70/3,115,815.15 = 656,923.70/x
  3. Step 3: Cross multiply
    2,077,015.70x = 3,115,815.15 × 656,923.70
  4. Step 4: Simplify right side
    2,077,015.70x = 2,046,852,816,854.05
  5. Step 5: Solve for x
    x = 2,046,852,816,854.05/2,077,015.70
  6. Step 6: Final answer
    x = 985,477.78

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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.