Home / 3,674,313.39-5,511,594.42-1,278,178.77

Finding the Fourth Proportional to 3,674,313.39, 5,511,594.42 and 1,278,178.77

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Solution

The fourth proportional to 3,674,313.39, 5,511,594.42 and 1,278,178.77 is: 1,917,311.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674,313.39 : 5,511,594.42 = 1,278,178.77 : x
  2. Step 2: Convert to fraction form
    3,674,313.39/5,511,594.42 = 1,278,178.77/x
  3. Step 3: Cross multiply
    3,674,313.39x = 5,511,594.42 × 1,278,178.77
  4. Step 4: Simplify right side
    3,674,313.39x = 7,044,802,976,494.46
  5. Step 5: Solve for x
    x = 7,044,802,976,494.46/3,674,313.39
  6. Step 6: Final answer
    x = 1,917,311.41

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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.