Home / 3,945,246.08-5,917,927.64-1,105,178.72

Finding the Fourth Proportional to 3,945,246.08, 5,917,927.64 and 1,105,178.72

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Solution

The fourth proportional to 3,945,246.08, 5,917,927.64 and 1,105,178.72 is: 1,657,784.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,246.08 : 5,917,927.64 = 1,105,178.72 : x
  2. Step 2: Convert to fraction form
    3,945,246.08/5,917,927.64 = 1,105,178.72/x
  3. Step 3: Cross multiply
    3,945,246.08x = 5,917,927.64 × 1,105,178.72
  4. Step 4: Simplify right side
    3,945,246.08x = 6,540,367,659,112.29
  5. Step 5: Solve for x
    x = 6,540,367,659,112.29/3,945,246.08
  6. Step 6: Final answer
    x = 1,657,784.47

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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.