Home / 2,005,078.40-2,767,183.17-1,099,835.36

Finding the Fourth Proportional to 2,005,078.40, 2,767,183.17 and 1,099,835.36

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Solution

The fourth proportional to 2,005,078.40, 2,767,183.17 and 1,099,835.36 is: 1,517,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,078.40 : 2,767,183.17 = 1,099,835.36 : x
  2. Step 2: Convert to fraction form
    2,005,078.40/2,767,183.17 = 1,099,835.36/x
  3. Step 3: Cross multiply
    2,005,078.40x = 2,767,183.17 × 1,099,835.36
  4. Step 4: Simplify right side
    2,005,078.40x = 3,043,445,884,126.98
  5. Step 5: Solve for x
    x = 3,043,445,884,126.98/2,005,078.40
  6. Step 6: Final answer
    x = 1,517,868.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.