Home / 2,688,260.49-4,030,735.30-1,320,294.42

Finding the Fourth Proportional to 2,688,260.49, 4,030,735.30 and 1,320,294.42

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Solution

The fourth proportional to 2,688,260.49, 4,030,735.30 and 1,320,294.42 is: 1,979,628.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,260.49 : 4,030,735.30 = 1,320,294.42 : x
  2. Step 2: Convert to fraction form
    2,688,260.49/4,030,735.30 = 1,320,294.42/x
  3. Step 3: Cross multiply
    2,688,260.49x = 4,030,735.30 × 1,320,294.42
  4. Step 4: Simplify right side
    2,688,260.49x = 5,321,757,325,087.03
  5. Step 5: Solve for x
    x = 5,321,757,325,087.03/2,688,260.49
  6. Step 6: Final answer
    x = 1,979,628.59

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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.