Home / 3,780,859.80-5,671,808.10-1,256,251.80

Finding the Fourth Proportional to 3,780,859.80, 5,671,808.10 and 1,256,251.80

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Solution

The fourth proportional to 3,780,859.80, 5,671,808.10 and 1,256,251.80 is: 1,884,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,859.80 : 5,671,808.10 = 1,256,251.80 : x
  2. Step 2: Convert to fraction form
    3,780,859.80/5,671,808.10 = 1,256,251.80/x
  3. Step 3: Cross multiply
    3,780,859.80x = 5,671,808.10 × 1,256,251.80
  4. Step 4: Simplify right side
    3,780,859.80x = 7,125,219,134,879.58
  5. Step 5: Solve for x
    x = 7,125,219,134,879.58/3,780,859.80
  6. Step 6: Final answer
    x = 1,884,549.95

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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.