Home / 4,118,846.70-6,179,436.45-1,279,245.90

Finding the Fourth Proportional to 4,118,846.70, 6,179,436.45 and 1,279,245.90

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Solution

The fourth proportional to 4,118,846.70, 6,179,436.45 and 1,279,245.90 is: 1,919,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118,846.70 : 6,179,436.45 = 1,279,245.90 : x
  2. Step 2: Convert to fraction form
    4,118,846.70/6,179,436.45 = 1,279,245.90/x
  3. Step 3: Cross multiply
    4,118,846.70x = 6,179,436.45 × 1,279,245.90
  4. Step 4: Simplify right side
    4,118,846.70x = 7,905,018,742,973.06
  5. Step 5: Solve for x
    x = 7,905,018,742,973.06/4,118,846.70
  6. Step 6: Final answer
    x = 1,919,231.11

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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.