Home / 3,520,278.72-4,857,152.13-1,992,385.80

Finding the Fourth Proportional to 3,520,278.72, 4,857,152.13 and 1,992,385.80

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Solution

The fourth proportional to 3,520,278.72, 4,857,152.13 and 1,992,385.80 is: 2,749,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,278.72 : 4,857,152.13 = 1,992,385.80 : x
  2. Step 2: Convert to fraction form
    3,520,278.72/4,857,152.13 = 1,992,385.80/x
  3. Step 3: Cross multiply
    3,520,278.72x = 4,857,152.13 × 1,992,385.80
  4. Step 4: Simplify right side
    3,520,278.72x = 9,677,320,932,251.75
  5. Step 5: Solve for x
    x = 9,677,320,932,251.75/3,520,278.72
  6. Step 6: Final answer
    x = 2,749,021.23

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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.