Home / 3,820,016.72-5,271,511.95-2,101,136.78

Finding the Fourth Proportional to 3,820,016.72, 5,271,511.95 and 2,101,136.78

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Solution

The fourth proportional to 3,820,016.72, 5,271,511.95 and 2,101,136.78 is: 2,899,507.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,016.72 : 5,271,511.95 = 2,101,136.78 : x
  2. Step 2: Convert to fraction form
    3,820,016.72/5,271,511.95 = 2,101,136.78/x
  3. Step 3: Cross multiply
    3,820,016.72x = 5,271,511.95 × 2,101,136.78
  4. Step 4: Simplify right side
    3,820,016.72x = 11,076,167,617,996.96
  5. Step 5: Solve for x
    x = 11,076,167,617,996.96/3,820,016.72
  6. Step 6: Final answer
    x = 2,899,507.63

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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.