Home / 3,769,985.75-5,202,164.05-2,115,753.45

Finding the Fourth Proportional to 3,769,985.75, 5,202,164.05 and 2,115,753.45

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Solution

The fourth proportional to 3,769,985.75, 5,202,164.05 and 2,115,753.45 is: 2,919,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769,985.75 : 5,202,164.05 = 2,115,753.45 : x
  2. Step 2: Convert to fraction form
    3,769,985.75/5,202,164.05 = 2,115,753.45/x
  3. Step 3: Cross multiply
    3,769,985.75x = 5,202,164.05 × 2,115,753.45
  4. Step 4: Simplify right side
    3,769,985.75x = 11,006,496,536,253.47
  5. Step 5: Solve for x
    x = 11,006,496,536,253.47/3,769,985.75
  6. Step 6: Final answer
    x = 2,919,506.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.