Home / 2,154,364.94-3,231,629.49-806,385.62

Finding the Fourth Proportional to 2,154,364.94, 3,231,629.49 and 806,385.62

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Solution

The fourth proportional to 2,154,364.94, 3,231,629.49 and 806,385.62 is: 1,209,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,364.94 : 3,231,629.49 = 806,385.62 : x
  2. Step 2: Convert to fraction form
    2,154,364.94/3,231,629.49 = 806,385.62/x
  3. Step 3: Cross multiply
    2,154,364.94x = 3,231,629.49 × 806,385.62
  4. Step 4: Simplify right side
    2,154,364.94x = 2,605,939,549,903.93
  5. Step 5: Solve for x
    x = 2,605,939,549,903.93/2,154,364.94
  6. Step 6: Final answer
    x = 1,209,609.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.