Home / 3,455,999.80-5,183,999.70-2,199,398.20

Finding the Fourth Proportional to 3,455,999.80, 5,183,999.70 and 2,199,398.20

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Solution

The fourth proportional to 3,455,999.80, 5,183,999.70 and 2,199,398.20 is: 3,299,097.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455,999.80 : 5,183,999.70 = 2,199,398.20 : x
  2. Step 2: Convert to fraction form
    3,455,999.80/5,183,999.70 = 2,199,398.20/x
  3. Step 3: Cross multiply
    3,455,999.80x = 5,183,999.70 × 2,199,398.20
  4. Step 4: Simplify right side
    3,455,999.80x = 11,401,679,608,980.54
  5. Step 5: Solve for x
    x = 11,401,679,608,980.54/3,455,999.80
  6. Step 6: Final answer
    x = 3,299,097.30

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1.5x scale

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.