Home / 1,917,310.70-2,646,847.55-1,192,391.93

Finding the Fourth Proportional to 1,917,310.70, 2,646,847.55 and 1,192,391.93

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Solution

The fourth proportional to 1,917,310.70, 2,646,847.55 and 1,192,391.93 is: 1,646,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,310.70 : 2,646,847.55 = 1,192,391.93 : x
  2. Step 2: Convert to fraction form
    1,917,310.70/2,646,847.55 = 1,192,391.93/x
  3. Step 3: Cross multiply
    1,917,310.70x = 2,646,847.55 × 1,192,391.93
  4. Step 4: Simplify right side
    1,917,310.70x = 3,156,079,658,560.27
  5. Step 5: Solve for x
    x = 3,156,079,658,560.27/1,917,310.70
  6. Step 6: Final answer
    x = 1,646,097.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.