Home / 2,101,563.52-3,152,788.56-681,509.44

Finding the Fourth Proportional to 2,101,563.52, 3,152,788.56 and 681,509.44

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Solution

The fourth proportional to 2,101,563.52, 3,152,788.56 and 681,509.44 is: 1,022,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,563.52 : 3,152,788.56 = 681,509.44 : x
  2. Step 2: Convert to fraction form
    2,101,563.52/3,152,788.56 = 681,509.44/x
  3. Step 3: Cross multiply
    2,101,563.52x = 3,152,788.56 × 681,509.44
  4. Step 4: Simplify right side
    2,101,563.52x = 2,148,655,165,964.01
  5. Step 5: Solve for x
    x = 2,148,655,165,964.01/2,101,563.52
  6. Step 6: Final answer
    x = 1,022,407.91

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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.