Home / 2,180,513.09-3,271,261.81-721,555.80

Finding the Fourth Proportional to 2,180,513.09, 3,271,261.81 and 721,555.80

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Solution

The fourth proportional to 2,180,513.09, 3,271,261.81 and 721,555.80 is: 1,082,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,513.09 : 3,271,261.81 = 721,555.80 : x
  2. Step 2: Convert to fraction form
    2,180,513.09/3,271,261.81 = 721,555.80/x
  3. Step 3: Cross multiply
    2,180,513.09x = 3,271,261.81 × 721,555.80
  4. Step 4: Simplify right side
    2,180,513.09x = 2,360,397,920,620.45
  5. Step 5: Solve for x
    x = 2,360,397,920,620.45/2,180,513.09
  6. Step 6: Final answer
    x = 1,082,496.56

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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.