Home / 4,979,976.40-6,872,277-2,804,510.80

Finding the Fourth Proportional to 4,979,976.40, 6,872,277 and 2,804,510.80

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Solution

The fourth proportional to 4,979,976.40, 6,872,277 and 2,804,510.80 is: 3,870,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979,976.40 : 6,872,277 = 2,804,510.80 : x
  2. Step 2: Convert to fraction form
    4,979,976.40/6,872,277 = 2,804,510.80/x
  3. Step 3: Cross multiply
    4,979,976.40x = 6,872,277 × 2,804,510.80
  4. Step 4: Simplify right side
    4,979,976.40x = 19,273,375,067,091.60
  5. Step 5: Solve for x
    x = 19,273,375,067,091.60/4,979,976.40
  6. Step 6: Final answer
    x = 3,870,173.98

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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.