Home / 2,831,111.20-4,246,640.40-1,147,814.56

Finding the Fourth Proportional to 2,831,111.20, 4,246,640.40 and 1,147,814.56

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Solution

The fourth proportional to 2,831,111.20, 4,246,640.40 and 1,147,814.56 is: 1,721,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,111.20 : 4,246,640.40 = 1,147,814.56 : x
  2. Step 2: Convert to fraction form
    2,831,111.20/4,246,640.40 = 1,147,814.56/x
  3. Step 3: Cross multiply
    2,831,111.20x = 4,246,640.40 × 1,147,814.56
  4. Step 4: Simplify right side
    2,831,111.20x = 4,874,355,682,204.22
  5. Step 5: Solve for x
    x = 4,874,355,682,204.22/2,831,111.20
  6. Step 6: Final answer
    x = 1,721,711.14

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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.