Home / 1,618,688.20-2,422,502.70-1,419,622.60

Finding the Fourth Proportional to 1,618,688.20, 2,422,502.70 and 1,419,622.60

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Solution

The fourth proportional to 1,618,688.20, 2,422,502.70 and 1,419,622.60 is: 2,124,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,688.20 : 2,422,502.70 = 1,419,622.60 : x
  2. Step 2: Convert to fraction form
    1,618,688.20/2,422,502.70 = 1,419,622.60/x
  3. Step 3: Cross multiply
    1,618,688.20x = 2,422,502.70 × 1,419,622.60
  4. Step 4: Simplify right side
    1,618,688.20x = 3,439,039,581,481.02
  5. Step 5: Solve for x
    x = 3,439,039,581,481.02/1,618,688.20
  6. Step 6: Final answer
    x = 2,124,584.33

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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.