Home / 2,820,239.77-3,891,976.11-1,531,079.14

Finding the Fourth Proportional to 2,820,239.77, 3,891,976.11 and 1,531,079.14

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Solution

The fourth proportional to 2,820,239.77, 3,891,976.11 and 1,531,079.14 is: 2,112,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,239.77 : 3,891,976.11 = 1,531,079.14 : x
  2. Step 2: Convert to fraction form
    2,820,239.77/3,891,976.11 = 1,531,079.14/x
  3. Step 3: Cross multiply
    2,820,239.77x = 3,891,976.11 × 1,531,079.14
  4. Step 4: Simplify right side
    2,820,239.77x = 5,958,923,435,399.35
  5. Step 5: Solve for x
    x = 5,958,923,435,399.35/2,820,239.77
  6. Step 6: Final answer
    x = 2,112,913.77

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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.