Home / 1,917,303.56-2,646,837.71-1,192,384.82

Finding the Fourth Proportional to 1,917,303.56, 2,646,837.71 and 1,192,384.82

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Solution

The fourth proportional to 1,917,303.56, 2,646,837.71 and 1,192,384.82 is: 1,646,087.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,303.56 : 2,646,837.71 = 1,192,384.82 : x
  2. Step 2: Convert to fraction form
    1,917,303.56/2,646,837.71 = 1,192,384.82/x
  3. Step 3: Cross multiply
    1,917,303.56x = 2,646,837.71 × 1,192,384.82
  4. Step 4: Simplify right side
    1,917,303.56x = 3,156,049,106,407.56
  5. Step 5: Solve for x
    x = 3,156,049,106,407.56/1,917,303.56
  6. Step 6: Final answer
    x = 1,646,087.33

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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.