Home / 3,902,133.66-5,384,782.71-2,136,019.38

Finding the Fourth Proportional to 3,902,133.66, 5,384,782.71 and 2,136,019.38

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Solution

The fourth proportional to 3,902,133.66, 5,384,782.71 and 2,136,019.38 is: 2,947,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902,133.66 : 5,384,782.71 = 2,136,019.38 : x
  2. Step 2: Convert to fraction form
    3,902,133.66/5,384,782.71 = 2,136,019.38/x
  3. Step 3: Cross multiply
    3,902,133.66x = 5,384,782.71 × 2,136,019.38
  4. Step 4: Simplify right side
    3,902,133.66x = 11,502,000,225,648.92
  5. Step 5: Solve for x
    x = 11,502,000,225,648.92/3,902,133.66
  6. Step 6: Final answer
    x = 2,947,618.21

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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.