Home / 1,995,320.70-2,991,231.45-1,196,919.90

Finding the Fourth Proportional to 1,995,320.70, 2,991,231.45 and 1,196,919.90

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Solution

The fourth proportional to 1,995,320.70, 2,991,231.45 and 1,196,919.90 is: 1,794,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,320.70 : 2,991,231.45 = 1,196,919.90 : x
  2. Step 2: Convert to fraction form
    1,995,320.70/2,991,231.45 = 1,196,919.90/x
  3. Step 3: Cross multiply
    1,995,320.70x = 2,991,231.45 × 1,196,919.90
  4. Step 4: Simplify right side
    1,995,320.70x = 3,580,264,448,010.86
  5. Step 5: Solve for x
    x = 3,580,264,448,010.86/1,995,320.70
  6. Step 6: Final answer
    x = 1,794,330.33

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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.