Home / 1,673,895.80-2,311,087.92-1,286,019.92

Finding the Fourth Proportional to 1,673,895.80, 2,311,087.92 and 1,286,019.92

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Solution

The fourth proportional to 1,673,895.80, 2,311,087.92 and 1,286,019.92 is: 1,775,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,895.80 : 2,311,087.92 = 1,286,019.92 : x
  2. Step 2: Convert to fraction form
    1,673,895.80/2,311,087.92 = 1,286,019.92/x
  3. Step 3: Cross multiply
    1,673,895.80x = 2,311,087.92 × 1,286,019.92
  4. Step 4: Simplify right side
    1,673,895.80x = 2,972,105,101,991.37
  5. Step 5: Solve for x
    x = 2,972,105,101,991.37/1,673,895.80
  6. Step 6: Final answer
    x = 1,775,561.60

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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.