Home / 4,118,840.70-6,179,427.45-1,279,239.90

Finding the Fourth Proportional to 4,118,840.70, 6,179,427.45 and 1,279,239.90

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Solution

The fourth proportional to 4,118,840.70, 6,179,427.45 and 1,279,239.90 is: 1,919,222.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118,840.70 : 6,179,427.45 = 1,279,239.90 : x
  2. Step 2: Convert to fraction form
    4,118,840.70/6,179,427.45 = 1,279,239.90/x
  3. Step 3: Cross multiply
    4,118,840.70x = 6,179,427.45 × 1,279,239.90
  4. Step 4: Simplify right side
    4,118,840.70x = 7,904,970,153,195.26
  5. Step 5: Solve for x
    x = 7,904,970,153,195.26/4,118,840.70
  6. Step 6: Final answer
    x = 1,919,222.11

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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.