Home / 3,135,876.21-4,703,251.86-830,383.94

Finding the Fourth Proportional to 3,135,876.21, 4,703,251.86 and 830,383.94

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Solution

The fourth proportional to 3,135,876.21, 4,703,251.86 and 830,383.94 is: 1,245,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135,876.21 : 4,703,251.86 = 830,383.94 : x
  2. Step 2: Convert to fraction form
    3,135,876.21/4,703,251.86 = 830,383.94/x
  3. Step 3: Cross multiply
    3,135,876.21x = 4,703,251.86 × 830,383.94
  4. Step 4: Simplify right side
    3,135,876.21x = 3,905,504,786,802.87
  5. Step 5: Solve for x
    x = 3,905,504,786,802.87/3,135,876.21
  6. Step 6: Final answer
    x = 1,245,426.96

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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.