Home / 2,106,020.90-2,906,059.07-1,188,196.53

Finding the Fourth Proportional to 2,106,020.90, 2,906,059.07 and 1,188,196.53

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Solution

The fourth proportional to 2,106,020.90, 2,906,059.07 and 1,188,196.53 is: 1,639,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,020.90 : 2,906,059.07 = 1,188,196.53 : x
  2. Step 2: Convert to fraction form
    2,106,020.90/2,906,059.07 = 1,188,196.53/x
  3. Step 3: Cross multiply
    2,106,020.90x = 2,906,059.07 × 1,188,196.53
  4. Step 4: Simplify right side
    2,106,020.90x = 3,452,969,302,949.03
  5. Step 5: Solve for x
    x = 3,452,969,302,949.03/2,106,020.90
  6. Step 6: Final answer
    x = 1,639,570.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.