Home / 1,608,048.72-2,218,673.70-919,578.51

Finding the Fourth Proportional to 1,608,048.72, 2,218,673.70 and 919,578.51

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Solution

The fourth proportional to 1,608,048.72, 2,218,673.70 and 919,578.51 is: 1,268,770.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,048.72 : 2,218,673.70 = 919,578.51 : x
  2. Step 2: Convert to fraction form
    1,608,048.72/2,218,673.70 = 919,578.51/x
  3. Step 3: Cross multiply
    1,608,048.72x = 2,218,673.70 × 919,578.51
  4. Step 4: Simplify right side
    1,608,048.72x = 2,040,244,655,222.19
  5. Step 5: Solve for x
    x = 2,040,244,655,222.19/1,608,048.72
  6. Step 6: Final answer
    x = 1,268,770.42

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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.