Home / 2,080,529.21-2,870,319.30-1,305,707.90

Finding the Fourth Proportional to 2,080,529.21, 2,870,319.30 and 1,305,707.90

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Solution

The fourth proportional to 2,080,529.21, 2,870,319.30 and 1,305,707.90 is: 1,801,367.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,529.21 : 2,870,319.30 = 1,305,707.90 : x
  2. Step 2: Convert to fraction form
    2,080,529.21/2,870,319.30 = 1,305,707.90/x
  3. Step 3: Cross multiply
    2,080,529.21x = 2,870,319.30 × 1,305,707.90
  4. Step 4: Simplify right side
    2,080,529.21x = 3,747,798,585,532.47
  5. Step 5: Solve for x
    x = 3,747,798,585,532.47/2,080,529.21
  6. Step 6: Final answer
    x = 1,801,367.92

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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.