Home / 3,922,145.78-5,411,971.95-2,202,936.98

Finding the Fourth Proportional to 3,922,145.78, 5,411,971.95 and 2,202,936.98

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Solution

The fourth proportional to 3,922,145.78, 5,411,971.95 and 2,202,936.98 is: 3,039,722.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922,145.78 : 5,411,971.95 = 2,202,936.98 : x
  2. Step 2: Convert to fraction form
    3,922,145.78/5,411,971.95 = 2,202,936.98/x
  3. Step 3: Cross multiply
    3,922,145.78x = 5,411,971.95 × 2,202,936.98
  4. Step 4: Simplify right side
    3,922,145.78x = 11,922,233,143,377.71
  5. Step 5: Solve for x
    x = 11,922,233,143,377.71/3,922,145.78
  6. Step 6: Final answer
    x = 3,039,722.08

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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.