Home / 3,915,363.68-5,403,238.74-2,196,521.11

Finding the Fourth Proportional to 3,915,363.68, 5,403,238.74 and 2,196,521.11

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Solution

The fourth proportional to 3,915,363.68, 5,403,238.74 and 2,196,521.11 is: 3,031,219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,363.68 : 5,403,238.74 = 2,196,521.11 : x
  2. Step 2: Convert to fraction form
    3,915,363.68/5,403,238.74 = 2,196,521.11/x
  3. Step 3: Cross multiply
    3,915,363.68x = 5,403,238.74 × 2,196,521.11
  4. Step 4: Simplify right side
    3,915,363.68x = 11,868,327,916,781.00
  5. Step 5: Solve for x
    x = 11,868,327,916,781.00/3,915,363.68
  6. Step 6: Final answer
    x = 3,031,219.81

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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.