Home / 2,218,403.76-3,061,399.23-1,199,808.51

Finding the Fourth Proportional to 2,218,403.76, 3,061,399.23 and 1,199,808.51

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Solution

The fourth proportional to 2,218,403.76, 3,061,399.23 and 1,199,808.51 is: 1,655,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,403.76 : 3,061,399.23 = 1,199,808.51 : x
  2. Step 2: Convert to fraction form
    2,218,403.76/3,061,399.23 = 1,199,808.51/x
  3. Step 3: Cross multiply
    2,218,403.76x = 3,061,399.23 × 1,199,808.51
  4. Step 4: Simplify right side
    2,218,403.76x = 3,673,092,848,661.45
  5. Step 5: Solve for x
    x = 3,673,092,848,661.45/2,218,403.76
  6. Step 6: Final answer
    x = 1,655,736.85

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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.