Home / 3,769,867.85-5,654,681.40-1,211,072.39

Finding the Fourth Proportional to 3,769,867.85, 5,654,681.40 and 1,211,072.39

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Solution

The fourth proportional to 3,769,867.85, 5,654,681.40 and 1,211,072.39 is: 1,816,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769,867.85 : 5,654,681.40 = 1,211,072.39 : x
  2. Step 2: Convert to fraction form
    3,769,867.85/5,654,681.40 = 1,211,072.39/x
  3. Step 3: Cross multiply
    3,769,867.85x = 5,654,681.40 × 1,211,072.39
  4. Step 4: Simplify right side
    3,769,867.85x = 6,848,228,517,786.55
  5. Step 5: Solve for x
    x = 6,848,228,517,786.55/3,769,867.85
  6. Step 6: Final answer
    x = 1,816,569.91

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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.