Home / 3,186,781.98-4,781,585.20-1,670,103.96

Finding the Fourth Proportional to 3,186,781.98, 4,781,585.20 and 1,670,103.96

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Solution

The fourth proportional to 3,186,781.98, 4,781,585.20 and 1,670,103.96 is: 2,505,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,781.98 : 4,781,585.20 = 1,670,103.96 : x
  2. Step 2: Convert to fraction form
    3,186,781.98/4,781,585.20 = 1,670,103.96/x
  3. Step 3: Cross multiply
    3,186,781.98x = 4,781,585.20 × 1,670,103.96
  4. Step 4: Simplify right side
    3,186,781.98x = 7,985,744,377,597.39
  5. Step 5: Solve for x
    x = 7,985,744,377,597.39/3,186,781.98
  6. Step 6: Final answer
    x = 2,505,896.05

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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.