Home / 3,125,780.85-4,685,976.29-1,208,037.74

Finding the Fourth Proportional to 3,125,780.85, 4,685,976.29 and 1,208,037.74

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Solution

The fourth proportional to 3,125,780.85, 4,685,976.29 and 1,208,037.74 is: 1,811,015.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,780.85 : 4,685,976.29 = 1,208,037.74 : x
  2. Step 2: Convert to fraction form
    3,125,780.85/4,685,976.29 = 1,208,037.74/x
  3. Step 3: Cross multiply
    3,125,780.85x = 4,685,976.29 × 1,208,037.74
  4. Step 4: Simplify right side
    3,125,780.85x = 5,660,836,177,595.12
  5. Step 5: Solve for x
    x = 5,660,836,177,595.12/3,125,780.85
  6. Step 6: Final answer
    x = 1,811,015.05

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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.