Home / 1,908,891.45-2,863,188.22-1,109,663.19

Finding the Fourth Proportional to 1,908,891.45, 2,863,188.22 and 1,109,663.19

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Solution

The fourth proportional to 1,908,891.45, 2,863,188.22 and 1,109,663.19 is: 1,664,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,891.45 : 2,863,188.22 = 1,109,663.19 : x
  2. Step 2: Convert to fraction form
    1,908,891.45/2,863,188.22 = 1,109,663.19/x
  3. Step 3: Cross multiply
    1,908,891.45x = 2,863,188.22 × 1,109,663.19
  4. Step 4: Simplify right side
    1,908,891.45x = 3,177,174,573,775.62
  5. Step 5: Solve for x
    x = 3,177,174,573,775.62/1,908,891.45
  6. Step 6: Final answer
    x = 1,664,408.20

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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.