Home / 2,205,342.51-3,308,472.96-688,964.19

Finding the Fourth Proportional to 2,205,342.51, 3,308,472.96 and 688,964.19

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Solution

The fourth proportional to 2,205,342.51, 3,308,472.96 and 688,964.19 is: 1,033,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,342.51 : 3,308,472.96 = 688,964.19 : x
  2. Step 2: Convert to fraction form
    2,205,342.51/3,308,472.96 = 688,964.19/x
  3. Step 3: Cross multiply
    2,205,342.51x = 3,308,472.96 × 688,964.19
  4. Step 4: Simplify right side
    2,205,342.51x = 2,279,419,393,023.30
  5. Step 5: Solve for x
    x = 2,279,419,393,023.30/2,205,342.51
  6. Step 6: Final answer
    x = 1,033,589.74

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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.