Home / 2,391,376.77-3,300,078.29-1,318,288.77

Finding the Fourth Proportional to 2,391,376.77, 3,300,078.29 and 1,318,288.77

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Solution

The fourth proportional to 2,391,376.77, 3,300,078.29 and 1,318,288.77 is: 1,819,226.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,376.77 : 3,300,078.29 = 1,318,288.77 : x
  2. Step 2: Convert to fraction form
    2,391,376.77/3,300,078.29 = 1,318,288.77/x
  3. Step 3: Cross multiply
    2,391,376.77x = 3,300,078.29 × 1,318,288.77
  4. Step 4: Simplify right side
    2,391,376.77x = 4,350,456,143,236.36
  5. Step 5: Solve for x
    x = 4,350,456,143,236.36/2,391,376.77
  6. Step 6: Final answer
    x = 1,819,226.56

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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.