Home / 3,902,955.57-5,386,121.07-2,160,653.82

Finding the Fourth Proportional to 3,902,955.57, 5,386,121.07 and 2,160,653.82

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Solution

The fourth proportional to 3,902,955.57, 5,386,121.07 and 2,160,653.82 is: 2,981,725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902,955.57 : 5,386,121.07 = 2,160,653.82 : x
  2. Step 2: Convert to fraction form
    3,902,955.57/5,386,121.07 = 2,160,653.82/x
  3. Step 3: Cross multiply
    3,902,955.57x = 5,386,121.07 × 2,160,653.82
  4. Step 4: Simplify right side
    3,902,955.57x = 11,637,543,064,877.99
  5. Step 5: Solve for x
    x = 11,637,543,064,877.99/3,902,955.57
  6. Step 6: Final answer
    x = 2,981,725.73

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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.