Home / 3,172,879.10-4,378,549.64-1,722,537.24

Finding the Fourth Proportional to 3,172,879.10, 4,378,549.64 and 1,722,537.24

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Solution

The fourth proportional to 3,172,879.10, 4,378,549.64 and 1,722,537.24 is: 2,377,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,879.10 : 4,378,549.64 = 1,722,537.24 : x
  2. Step 2: Convert to fraction form
    3,172,879.10/4,378,549.64 = 1,722,537.24/x
  3. Step 3: Cross multiply
    3,172,879.10x = 4,378,549.64 × 1,722,537.24
  4. Step 4: Simplify right side
    3,172,879.10x = 7,542,214,826,219.77
  5. Step 5: Solve for x
    x = 7,542,214,826,219.77/3,172,879.10
  6. Step 6: Final answer
    x = 2,377,088.63

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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.