Home / 1,831,926.60-2,747,896.97-766,221.12

Finding the Fourth Proportional to 1,831,926.60, 2,747,896.97 and 766,221.12

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Solution

The fourth proportional to 1,831,926.60, 2,747,896.97 and 766,221.12 is: 1,149,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831,926.60 : 2,747,896.97 = 766,221.12 : x
  2. Step 2: Convert to fraction form
    1,831,926.60/2,747,896.97 = 766,221.12/x
  3. Step 3: Cross multiply
    1,831,926.60x = 2,747,896.97 × 766,221.12
  4. Step 4: Simplify right side
    1,831,926.60x = 2,105,496,690,166.90
  5. Step 5: Solve for x
    x = 2,105,496,690,166.90/1,831,926.60
  6. Step 6: Final answer
    x = 1,149,334.64

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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.