Home / 1,917,308.79-2,646,844.91-1,192,390.04

Finding the Fourth Proportional to 1,917,308.79, 2,646,844.91 and 1,192,390.04

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Solution

The fourth proportional to 1,917,308.79, 2,646,844.91 and 1,192,390.04 is: 1,646,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,308.79 : 2,646,844.91 = 1,192,390.04 : x
  2. Step 2: Convert to fraction form
    1,917,308.79/2,646,844.91 = 1,192,390.04/x
  3. Step 3: Cross multiply
    1,917,308.79x = 2,646,844.91 × 1,192,390.04
  4. Step 4: Simplify right side
    1,917,308.79x = 3,156,071,488,912.52
  5. Step 5: Solve for x
    x = 3,156,071,488,912.52/1,917,308.79
  6. Step 6: Final answer
    x = 1,646,094.52

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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.