Home / 3,820,212.76-5,271,782.52-2,101,332.82

Finding the Fourth Proportional to 3,820,212.76, 5,271,782.52 and 2,101,332.82

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Solution

The fourth proportional to 3,820,212.76, 5,271,782.52 and 2,101,332.82 is: 2,899,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,212.76 : 5,271,782.52 = 2,101,332.82 : x
  2. Step 2: Convert to fraction form
    3,820,212.76/5,271,782.52 = 2,101,332.82/x
  3. Step 3: Cross multiply
    3,820,212.76x = 5,271,782.52 × 2,101,332.82
  4. Step 4: Simplify right side
    3,820,212.76x = 11,077,769,629,178.30
  5. Step 5: Solve for x
    x = 11,077,769,629,178.30/3,820,212.76
  6. Step 6: Final answer
    x = 2,899,778.19

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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.