Home / 2,640,327.84-3,959,857.92-1,219,018.56

Finding the Fourth Proportional to 2,640,327.84, 3,959,857.92 and 1,219,018.56

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Solution

The fourth proportional to 2,640,327.84, 3,959,857.92 and 1,219,018.56 is: 1,828,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,327.84 : 3,959,857.92 = 1,219,018.56 : x
  2. Step 2: Convert to fraction form
    2,640,327.84/3,959,857.92 = 1,219,018.56/x
  3. Step 3: Cross multiply
    2,640,327.84x = 3,959,857.92 × 1,219,018.56
  4. Step 4: Simplify right side
    2,640,327.84x = 4,827,140,299,443.00
  5. Step 5: Solve for x
    x = 4,827,140,299,443.00/2,640,327.84
  6. Step 6: Final answer
    x = 1,828,235.20

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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.