Home / 5,202,290.40-7,179,107.85-2,879,187.44

Finding the Fourth Proportional to 5,202,290.40, 7,179,107.85 and 2,879,187.44

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Solution

The fourth proportional to 5,202,290.40, 7,179,107.85 and 2,879,187.44 is: 3,973,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202,290.40 : 7,179,107.85 = 2,879,187.44 : x
  2. Step 2: Convert to fraction form
    5,202,290.40/7,179,107.85 = 2,879,187.44/x
  3. Step 3: Cross multiply
    5,202,290.40x = 7,179,107.85 × 2,879,187.44
  4. Step 4: Simplify right side
    5,202,290.40x = 20,669,997,116,229.86
  5. Step 5: Solve for x
    x = 20,669,997,116,229.86/5,202,290.40
  6. Step 6: Final answer
    x = 3,973,249.38

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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.