Home / 1,981,847.78-2,735,142.05-1,110,830.49

Finding the Fourth Proportional to 1,981,847.78, 2,735,142.05 and 1,110,830.49

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Solution

The fourth proportional to 1,981,847.78, 2,735,142.05 and 1,110,830.49 is: 1,533,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,847.78 : 2,735,142.05 = 1,110,830.49 : x
  2. Step 2: Convert to fraction form
    1,981,847.78/2,735,142.05 = 1,110,830.49/x
  3. Step 3: Cross multiply
    1,981,847.78x = 2,735,142.05 × 1,110,830.49
  4. Step 4: Simplify right side
    1,981,847.78x = 3,038,279,193,250.66
  5. Step 5: Solve for x
    x = 3,038,279,193,250.66/1,981,847.78
  6. Step 6: Final answer
    x = 1,533,053.76

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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.