Home / 3,081,406.40-4,252,337.62-1,723,279.40

Finding the Fourth Proportional to 3,081,406.40, 4,252,337.62 and 1,723,279.40

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Solution

The fourth proportional to 3,081,406.40, 4,252,337.62 and 1,723,279.40 is: 2,378,123.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,406.40 : 4,252,337.62 = 1,723,279.40 : x
  2. Step 2: Convert to fraction form
    3,081,406.40/4,252,337.62 = 1,723,279.40/x
  3. Step 3: Cross multiply
    3,081,406.40x = 4,252,337.62 × 1,723,279.40
  4. Step 4: Simplify right side
    3,081,406.40x = 7,327,965,796,821.14
  5. Step 5: Solve for x
    x = 7,327,965,796,821.14/3,081,406.40
  6. Step 6: Final answer
    x = 2,378,123.77

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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.