Home / 3,455,587.80-5,183,381.70-2,198,986.20

Finding the Fourth Proportional to 3,455,587.80, 5,183,381.70 and 2,198,986.20

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Solution

The fourth proportional to 3,455,587.80, 5,183,381.70 and 2,198,986.20 is: 3,298,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455,587.80 : 5,183,381.70 = 2,198,986.20 : x
  2. Step 2: Convert to fraction form
    3,455,587.80/5,183,381.70 = 2,198,986.20/x
  3. Step 3: Cross multiply
    3,455,587.80x = 5,183,381.70 × 2,198,986.20
  4. Step 4: Simplify right side
    3,455,587.80x = 11,398,184,827,632.54
  5. Step 5: Solve for x
    x = 11,398,184,827,632.54/3,455,587.80
  6. Step 6: Final answer
    x = 3,298,479.30

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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.