Home / 2,102,720.21-3,154,079.97-505,283.30

Finding the Fourth Proportional to 2,102,720.21, 3,154,079.97 and 505,283.30

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Solution

The fourth proportional to 2,102,720.21, 3,154,079.97 and 505,283.30 is: 757,924.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,720.21 : 3,154,079.97 = 505,283.30 : x
  2. Step 2: Convert to fraction form
    2,102,720.21/3,154,079.97 = 505,283.30/x
  3. Step 3: Cross multiply
    2,102,720.21x = 3,154,079.97 × 505,283.30
  4. Step 4: Simplify right side
    2,102,720.21x = 1,593,703,935,705.50
  5. Step 5: Solve for x
    x = 1,593,703,935,705.50/2,102,720.21
  6. Step 6: Final answer
    x = 757,924.87

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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.