Home / 3,388,165.72-4,677,856.86-2,100,382.36

Finding the Fourth Proportional to 3,388,165.72, 4,677,856.86 and 2,100,382.36

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Solution

The fourth proportional to 3,388,165.72, 4,677,856.86 and 2,100,382.36 is: 2,899,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,165.72 : 4,677,856.86 = 2,100,382.36 : x
  2. Step 2: Convert to fraction form
    3,388,165.72/4,677,856.86 = 2,100,382.36/x
  3. Step 3: Cross multiply
    3,388,165.72x = 4,677,856.86 × 2,100,382.36
  4. Step 4: Simplify right side
    3,388,165.72x = 9,825,288,031,348.99
  5. Step 5: Solve for x
    x = 9,825,288,031,348.99/3,388,165.72
  6. Step 6: Final answer
    x = 2,899,884.14

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1.5x scale

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.