Home / 2,102,715.71-3,154,073.22-505,278.80

Finding the Fourth Proportional to 2,102,715.71, 3,154,073.22 and 505,278.80

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Solution

The fourth proportional to 2,102,715.71, 3,154,073.22 and 505,278.80 is: 757,918.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,715.71 : 3,154,073.22 = 505,278.80 : x
  2. Step 2: Convert to fraction form
    2,102,715.71/3,154,073.22 = 505,278.80/x
  3. Step 3: Cross multiply
    2,102,715.71x = 3,154,073.22 × 505,278.80
  4. Step 4: Simplify right side
    2,102,715.71x = 1,593,686,331,713.74
  5. Step 5: Solve for x
    x = 1,593,686,331,713.74/2,102,715.71
  6. Step 6: Final answer
    x = 757,918.12

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Double scale
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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.