Home / 2,102,721.09-3,154,081.29-505,284.18

Finding the Fourth Proportional to 2,102,721.09, 3,154,081.29 and 505,284.18

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Solution

The fourth proportional to 2,102,721.09, 3,154,081.29 and 505,284.18 is: 757,926.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,721.09 : 3,154,081.29 = 505,284.18 : x
  2. Step 2: Convert to fraction form
    2,102,721.09/3,154,081.29 = 505,284.18/x
  3. Step 3: Cross multiply
    2,102,721.09x = 3,154,081.29 × 505,284.18
  4. Step 4: Simplify right side
    2,102,721.09x = 1,593,707,378,270.99
  5. Step 5: Solve for x
    x = 1,593,707,378,270.99/2,102,721.09
  6. Step 6: Final answer
    x = 757,926.19

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Double scale
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Similar ratio
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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.