Home / 1,917,302.56-2,646,836.32-1,192,383.80

Finding the Fourth Proportional to 1,917,302.56, 2,646,836.32 and 1,192,383.80

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Solution

The fourth proportional to 1,917,302.56, 2,646,836.32 and 1,192,383.80 is: 1,646,085.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,302.56 : 2,646,836.32 = 1,192,383.80 : x
  2. Step 2: Convert to fraction form
    1,917,302.56/2,646,836.32 = 1,192,383.80/x
  3. Step 3: Cross multiply
    1,917,302.56x = 2,646,836.32 × 1,192,383.80
  4. Step 4: Simplify right side
    1,917,302.56x = 3,156,044,749,219.62
  5. Step 5: Solve for x
    x = 3,156,044,749,219.62/1,917,302.56
  6. Step 6: Final answer
    x = 1,646,085.92

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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.