Home / 2,853,923.64-4,280,429.75-831,694.52

Finding the Fourth Proportional to 2,853,923.64, 4,280,429.75 and 831,694.52

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Solution

The fourth proportional to 2,853,923.64, 4,280,429.75 and 831,694.52 is: 1,247,408.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853,923.64 : 4,280,429.75 = 831,694.52 : x
  2. Step 2: Convert to fraction form
    2,853,923.64/4,280,429.75 = 831,694.52/x
  3. Step 3: Cross multiply
    2,853,923.64x = 4,280,429.75 × 831,694.52
  4. Step 4: Simplify right side
    2,853,923.64x = 3,560,009,940,759.35
  5. Step 5: Solve for x
    x = 3,560,009,940,759.35/2,853,923.64
  6. Step 6: Final answer
    x = 1,247,408.97

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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.