Home / 4,979,977.90-6,872,279.07-2,804,512.30

Finding the Fourth Proportional to 4,979,977.90, 6,872,279.07 and 2,804,512.30

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Solution

The fourth proportional to 4,979,977.90, 6,872,279.07 and 2,804,512.30 is: 3,870,176.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979,977.90 : 6,872,279.07 = 2,804,512.30 : x
  2. Step 2: Convert to fraction form
    4,979,977.90/6,872,279.07 = 2,804,512.30/x
  3. Step 3: Cross multiply
    4,979,977.90x = 6,872,279.07 × 2,804,512.30
  4. Step 4: Simplify right side
    4,979,977.90x = 19,273,391,180,847.56
  5. Step 5: Solve for x
    x = 19,273,391,180,847.56/4,979,977.90
  6. Step 6: Final answer
    x = 3,870,176.05

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1.5x scale

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.