Home / 5,378,600.80-8,067,901.20-1,966,880.80

Finding the Fourth Proportional to 5,378,600.80, 8,067,901.20 and 1,966,880.80

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Solution

The fourth proportional to 5,378,600.80, 8,067,901.20 and 1,966,880.80 is: 2,950,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,600.80 : 8,067,901.20 = 1,966,880.80 : x
  2. Step 2: Convert to fraction form
    5,378,600.80/8,067,901.20 = 1,966,880.80/x
  3. Step 3: Cross multiply
    5,378,600.80x = 8,067,901.20 × 1,966,880.80
  4. Step 4: Simplify right side
    5,378,600.80x = 15,868,599,966,576.96
  5. Step 5: Solve for x
    x = 15,868,599,966,576.96/5,378,600.80
  6. Step 6: Final answer
    x = 2,950,321.20

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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.