Home / 3,855,228.32-5,320,246.58-2,136,377.54

Finding the Fourth Proportional to 3,855,228.32, 5,320,246.58 and 2,136,377.54

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Solution

The fourth proportional to 3,855,228.32, 5,320,246.58 and 2,136,377.54 is: 2,948,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,228.32 : 5,320,246.58 = 2,136,377.54 : x
  2. Step 2: Convert to fraction form
    3,855,228.32/5,320,246.58 = 2,136,377.54/x
  3. Step 3: Cross multiply
    3,855,228.32x = 5,320,246.58 × 2,136,377.54
  4. Step 4: Simplify right side
    3,855,228.32x = 11,366,055,263,490.69
  5. Step 5: Solve for x
    x = 11,366,055,263,490.69/3,855,228.32
  6. Step 6: Final answer
    x = 2,948,218.45

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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.