Home / 3,493,288.80-4,820,689.16-1,965,392.28

Finding the Fourth Proportional to 3,493,288.80, 4,820,689.16 and 1,965,392.28

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Solution

The fourth proportional to 3,493,288.80, 4,820,689.16 and 1,965,392.28 is: 2,712,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493,288.80 : 4,820,689.16 = 1,965,392.28 : x
  2. Step 2: Convert to fraction form
    3,493,288.80/4,820,689.16 = 1,965,392.28/x
  3. Step 3: Cross multiply
    3,493,288.80x = 4,820,689.16 × 1,965,392.28
  4. Step 4: Simplify right side
    3,493,288.80x = 9,474,545,259,343.69
  5. Step 5: Solve for x
    x = 9,474,545,259,343.69/3,493,288.80
  6. Step 6: Final answer
    x = 2,712,213.56

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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.