Home / 1,918,822.14-2,877,707.79-720,651.78

Finding the Fourth Proportional to 1,918,822.14, 2,877,707.79 and 720,651.78

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Solution

The fourth proportional to 1,918,822.14, 2,877,707.79 and 720,651.78 is: 1,080,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,822.14 : 2,877,707.79 = 720,651.78 : x
  2. Step 2: Convert to fraction form
    1,918,822.14/2,877,707.79 = 720,651.78/x
  3. Step 3: Cross multiply
    1,918,822.14x = 2,877,707.79 × 720,651.78
  4. Step 4: Simplify right side
    1,918,822.14x = 2,073,825,241,183.37
  5. Step 5: Solve for x
    x = 2,073,825,241,183.37/1,918,822.14
  6. Step 6: Final answer
    x = 1,080,780.34

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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.