Home / 5,109,953.24-7,051,742.15-2,786,850.77

Finding the Fourth Proportional to 5,109,953.24, 7,051,742.15 and 2,786,850.77

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Solution

The fourth proportional to 5,109,953.24, 7,051,742.15 and 2,786,850.77 is: 3,845,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,953.24 : 7,051,742.15 = 2,786,850.77 : x
  2. Step 2: Convert to fraction form
    5,109,953.24/7,051,742.15 = 2,786,850.77/x
  3. Step 3: Cross multiply
    5,109,953.24x = 7,051,742.15 × 2,786,850.77
  4. Step 4: Simplify right side
    5,109,953.24x = 19,652,152,991,375.99
  5. Step 5: Solve for x
    x = 19,652,152,991,375.99/5,109,953.24
  6. Step 6: Final answer
    x = 3,845,857.69

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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.