Home / 2,101,358.09-3,151,840.15-681,426.47

Finding the Fourth Proportional to 2,101,358.09, 3,151,840.15 and 681,426.47

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Solution

The fourth proportional to 2,101,358.09, 3,151,840.15 and 681,426.47 is: 1,022,075.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,358.09 : 3,151,840.15 = 681,426.47 : x
  2. Step 2: Convert to fraction form
    2,101,358.09/3,151,840.15 = 681,426.47/x
  3. Step 3: Cross multiply
    2,101,358.09x = 3,151,840.15 × 681,426.47
  4. Step 4: Simplify right side
    2,101,358.09x = 2,147,747,288,252.44
  5. Step 5: Solve for x
    x = 2,147,747,288,252.44/2,101,358.09
  6. Step 6: Final answer
    x = 1,022,075.82

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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.