Home / 3,128,305.80-4,686,553.80-1,606,809.90

Finding the Fourth Proportional to 3,128,305.80, 4,686,553.80 and 1,606,809.90

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Solution

The fourth proportional to 3,128,305.80, 4,686,553.80 and 1,606,809.90 is: 2,407,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,305.80 : 4,686,553.80 = 1,606,809.90 : x
  2. Step 2: Convert to fraction form
    3,128,305.80/4,686,553.80 = 1,606,809.90/x
  3. Step 3: Cross multiply
    3,128,305.80x = 4,686,553.80 × 1,606,809.90
  4. Step 4: Simplify right side
    3,128,305.80x = 7,530,401,042,722.62
  5. Step 5: Solve for x
    x = 7,530,401,042,722.62/3,128,305.80
  6. Step 6: Final answer
    x = 2,407,181.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.