Home / 1,847,136.70-2,766,039.45-1,212,615.10

Finding the Fourth Proportional to 1,847,136.70, 2,766,039.45 and 1,212,615.10

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Solution

The fourth proportional to 1,847,136.70, 2,766,039.45 and 1,212,615.10 is: 1,815,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847,136.70 : 2,766,039.45 = 1,212,615.10 : x
  2. Step 2: Convert to fraction form
    1,847,136.70/2,766,039.45 = 1,212,615.10/x
  3. Step 3: Cross multiply
    1,847,136.70x = 2,766,039.45 × 1,212,615.10
  4. Step 4: Simplify right side
    1,847,136.70x = 3,354,141,204,265.70
  5. Step 5: Solve for x
    x = 3,354,141,204,265.70/1,847,136.70
  6. Step 6: Final answer
    x = 1,815,859.76

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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.