Home / 2,643,067.80-3,964,601.70-846,009.90

Finding the Fourth Proportional to 2,643,067.80, 3,964,601.70 and 846,009.90

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Solution

The fourth proportional to 2,643,067.80, 3,964,601.70 and 846,009.90 is: 1,269,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,067.80 : 3,964,601.70 = 846,009.90 : x
  2. Step 2: Convert to fraction form
    2,643,067.80/3,964,601.70 = 846,009.90/x
  3. Step 3: Cross multiply
    2,643,067.80x = 3,964,601.70 × 846,009.90
  4. Step 4: Simplify right side
    2,643,067.80x = 3,354,092,287,756.83
  5. Step 5: Solve for x
    x = 3,354,092,287,756.83/2,643,067.80
  6. Step 6: Final answer
    x = 1,269,014.85

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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.