Home / 2,690,911.70-3,714,358-1,603,524.38

Finding the Fourth Proportional to 2,690,911.70, 3,714,358 and 1,603,524.38

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Solution

The fourth proportional to 2,690,911.70, 3,714,358 and 1,603,524.38 is: 2,213,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,911.70 : 3,714,358 = 1,603,524.38 : x
  2. Step 2: Convert to fraction form
    2,690,911.70/3,714,358 = 1,603,524.38/x
  3. Step 3: Cross multiply
    2,690,911.70x = 3,714,358 × 1,603,524.38
  4. Step 4: Simplify right side
    2,690,911.70x = 5,956,063,609,048.04
  5. Step 5: Solve for x
    x = 5,956,063,609,048.04/2,690,911.70
  6. Step 6: Final answer
    x = 2,213,399.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.