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Finding the Fourth Proportional to 3,585,992.72, 4,948,525.81 and 1,954,365.17

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Solution

The fourth proportional to 3,585,992.72, 4,948,525.81 and 1,954,365.17 is: 2,696,945.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585,992.72 : 4,948,525.81 = 1,954,365.17 : x
  2. Step 2: Convert to fraction form
    3,585,992.72/4,948,525.81 = 1,954,365.17/x
  3. Step 3: Cross multiply
    3,585,992.72x = 4,948,525.81 × 1,954,365.17
  4. Step 4: Simplify right side
    3,585,992.72x = 9,671,226,463,610.37
  5. Step 5: Solve for x
    x = 9,671,226,463,610.37/3,585,992.72
  6. Step 6: Final answer
    x = 2,696,945.37

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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.