Home / 3,389,005.70-5,083,508.55-1,145,111.30

Finding the Fourth Proportional to 3,389,005.70, 5,083,508.55 and 1,145,111.30

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Solution

The fourth proportional to 3,389,005.70, 5,083,508.55 and 1,145,111.30 is: 1,717,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389,005.70 : 5,083,508.55 = 1,145,111.30 : x
  2. Step 2: Convert to fraction form
    3,389,005.70/5,083,508.55 = 1,145,111.30/x
  3. Step 3: Cross multiply
    3,389,005.70x = 5,083,508.55 × 1,145,111.30
  4. Step 4: Simplify right side
    3,389,005.70x = 5,821,183,084,251.62
  5. Step 5: Solve for x
    x = 5,821,183,084,251.62/3,389,005.70
  6. Step 6: Final answer
    x = 1,717,666.95

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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.