Home / 4,979,977.40-6,872,278.38-2,804,511.80

Finding the Fourth Proportional to 4,979,977.40, 6,872,278.38 and 2,804,511.80

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Solution

The fourth proportional to 4,979,977.40, 6,872,278.38 and 2,804,511.80 is: 3,870,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979,977.40 : 6,872,278.38 = 2,804,511.80 : x
  2. Step 2: Convert to fraction form
    4,979,977.40/6,872,278.38 = 2,804,511.80/x
  3. Step 3: Cross multiply
    4,979,977.40x = 6,872,278.38 × 2,804,511.80
  4. Step 4: Simplify right side
    4,979,977.40x = 19,273,385,809,594.88
  5. Step 5: Solve for x
    x = 19,273,385,809,594.88/4,979,977.40
  6. Step 6: Final answer
    x = 3,870,175.36

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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.