Home / 2,818,436.51-4,228,181.40-1,281,544.79

Finding the Fourth Proportional to 2,818,436.51, 4,228,181.40 and 1,281,544.79

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Solution

The fourth proportional to 2,818,436.51, 4,228,181.40 and 1,281,544.79 is: 1,922,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,436.51 : 4,228,181.40 = 1,281,544.79 : x
  2. Step 2: Convert to fraction form
    2,818,436.51/4,228,181.40 = 1,281,544.79/x
  3. Step 3: Cross multiply
    2,818,436.51x = 4,228,181.40 × 1,281,544.79
  4. Step 4: Simplify right side
    2,818,436.51x = 5,418,603,844,344.91
  5. Step 5: Solve for x
    x = 5,418,603,844,344.91/2,818,436.51
  6. Step 6: Final answer
    x = 1,922,556.65

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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.