Home / 3,789,879.74-5,230,102.47-2,071,072.70

Finding the Fourth Proportional to 3,789,879.74, 5,230,102.47 and 2,071,072.70

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Solution

The fourth proportional to 3,789,879.74, 5,230,102.47 and 2,071,072.70 is: 2,858,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789,879.74 : 5,230,102.47 = 2,071,072.70 : x
  2. Step 2: Convert to fraction form
    3,789,879.74/5,230,102.47 = 2,071,072.70/x
  3. Step 3: Cross multiply
    3,789,879.74x = 5,230,102.47 × 2,071,072.70
  4. Step 4: Simplify right side
    3,789,879.74x = 10,831,922,443,819.57
  5. Step 5: Solve for x
    x = 10,831,922,443,819.57/3,789,879.74
  6. Step 6: Final answer
    x = 2,858,117.72

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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.