Home / 5,378,341.80-8,067,512.70-4,160,620.20

Finding the Fourth Proportional to 5,378,341.80, 8,067,512.70 and 4,160,620.20

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Solution

The fourth proportional to 5,378,341.80, 8,067,512.70 and 4,160,620.20 is: 6,240,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,341.80 : 8,067,512.70 = 4,160,620.20 : x
  2. Step 2: Convert to fraction form
    5,378,341.80/8,067,512.70 = 4,160,620.20/x
  3. Step 3: Cross multiply
    5,378,341.80x = 8,067,512.70 × 4,160,620.20
  4. Step 4: Simplify right side
    5,378,341.80x = 33,565,856,303,376.54
  5. Step 5: Solve for x
    x = 33,565,856,303,376.54/5,378,341.80
  6. Step 6: Final answer
    x = 6,240,930.30

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1.5x scale

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.