Home / 3,171,917.03-4,377,128.13-1,721,581.34

Finding the Fourth Proportional to 3,171,917.03, 4,377,128.13 and 1,721,581.34

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Solution

The fourth proportional to 3,171,917.03, 4,377,128.13 and 1,721,581.34 is: 2,375,718.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,917.03 : 4,377,128.13 = 1,721,581.34 : x
  2. Step 2: Convert to fraction form
    3,171,917.03/4,377,128.13 = 1,721,581.34/x
  3. Step 3: Cross multiply
    3,171,917.03x = 4,377,128.13 × 1,721,581.34
  4. Step 4: Simplify right side
    3,171,917.03x = 7,535,582,089,511.45
  5. Step 5: Solve for x
    x = 7,535,582,089,511.45/3,171,917.03
  6. Step 6: Final answer
    x = 2,375,718.54

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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.