Home / 3,820,221.02-5,272,045.17-2,101,472.30

Finding the Fourth Proportional to 3,820,221.02, 5,272,045.17 and 2,101,472.30

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Solution

The fourth proportional to 3,820,221.02, 5,272,045.17 and 2,101,472.30 is: 2,900,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,221.02 : 5,272,045.17 = 2,101,472.30 : x
  2. Step 2: Convert to fraction form
    3,820,221.02/5,272,045.17 = 2,101,472.30/x
  3. Step 3: Cross multiply
    3,820,221.02x = 5,272,045.17 × 2,101,472.30
  4. Step 4: Simplify right side
    3,820,221.02x = 11,079,056,889,103.79
  5. Step 5: Solve for x
    x = 11,079,056,889,103.79/3,820,221.02
  6. Step 6: Final answer
    x = 2,900,108.88

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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.