Home / 2,152,142.12-2,969,860.31-1,233,712.82

Finding the Fourth Proportional to 2,152,142.12, 2,969,860.31 and 1,233,712.82

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Solution

The fourth proportional to 2,152,142.12, 2,969,860.31 and 1,233,712.82 is: 1,702,468.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,142.12 : 2,969,860.31 = 1,233,712.82 : x
  2. Step 2: Convert to fraction form
    2,152,142.12/2,969,860.31 = 1,233,712.82/x
  3. Step 3: Cross multiply
    2,152,142.12x = 2,969,860.31 × 1,233,712.82
  4. Step 4: Simplify right side
    2,152,142.12x = 3,663,954,743,938.68
  5. Step 5: Solve for x
    x = 3,663,954,743,938.68/2,152,142.12
  6. Step 6: Final answer
    x = 1,702,468.77

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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.