Home / 2,785,481.72-4,178,594.40-1,102,191.56

Finding the Fourth Proportional to 2,785,481.72, 4,178,594.40 and 1,102,191.56

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Solution

The fourth proportional to 2,785,481.72, 4,178,594.40 and 1,102,191.56 is: 1,653,434.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,481.72 : 4,178,594.40 = 1,102,191.56 : x
  2. Step 2: Convert to fraction form
    2,785,481.72/4,178,594.40 = 1,102,191.56/x
  3. Step 3: Cross multiply
    2,785,481.72x = 4,178,594.40 × 1,102,191.56
  4. Step 4: Simplify right side
    2,785,481.72x = 4,605,611,474,832.31
  5. Step 5: Solve for x
    x = 4,605,611,474,832.31/2,785,481.72
  6. Step 6: Final answer
    x = 1,653,434.46

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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.