Home / 2,690,645.58-4,035,983.44-668,889.41

Finding the Fourth Proportional to 2,690,645.58, 4,035,983.44 and 668,889.41

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Solution

The fourth proportional to 2,690,645.58, 4,035,983.44 and 668,889.41 is: 1,003,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,645.58 : 4,035,983.44 = 668,889.41 : x
  2. Step 2: Convert to fraction form
    2,690,645.58/4,035,983.44 = 668,889.41/x
  3. Step 3: Cross multiply
    2,690,645.58x = 4,035,983.44 × 668,889.41
  4. Step 4: Simplify right side
    2,690,645.58x = 2,699,626,595,414.90
  5. Step 5: Solve for x
    x = 2,699,626,595,414.90/2,690,645.58
  6. Step 6: Final answer
    x = 1,003,337.87

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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.