Home / 2,640,327.96-3,959,857.80-1,219,018.44

Finding the Fourth Proportional to 2,640,327.96, 3,959,857.80 and 1,219,018.44

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Solution

The fourth proportional to 2,640,327.96, 3,959,857.80 and 1,219,018.44 is: 1,828,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,327.96 : 3,959,857.80 = 1,219,018.44 : x
  2. Step 2: Convert to fraction form
    2,640,327.96/3,959,857.80 = 1,219,018.44/x
  3. Step 3: Cross multiply
    2,640,327.96x = 3,959,857.80 × 1,219,018.44
  4. Step 4: Simplify right side
    2,640,327.96x = 4,827,139,677,977.83
  5. Step 5: Solve for x
    x = 4,827,139,677,977.83/2,640,327.96
  6. Step 6: Final answer
    x = 1,828,234.88

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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.