Home / 1,778,628.95-2,667,544.11-818,162.11

Finding the Fourth Proportional to 1,778,628.95, 2,667,544.11 and 818,162.11

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Solution

The fourth proportional to 1,778,628.95, 2,667,544.11 and 818,162.11 is: 1,227,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,628.95 : 2,667,544.11 = 818,162.11 : x
  2. Step 2: Convert to fraction form
    1,778,628.95/2,667,544.11 = 818,162.11/x
  3. Step 3: Cross multiply
    1,778,628.95x = 2,667,544.11 × 818,162.11
  4. Step 4: Simplify right side
    1,778,628.95x = 2,182,483,517,555.67
  5. Step 5: Solve for x
    x = 2,182,483,517,555.67/1,778,628.95
  6. Step 6: Final answer
    x = 1,227,059.48

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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.