Home / 3,997,720.98-5,516,862.21-2,186,884.98

Finding the Fourth Proportional to 3,997,720.98, 5,516,862.21 and 2,186,884.98

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Solution

The fourth proportional to 3,997,720.98, 5,516,862.21 and 2,186,884.98 is: 3,017,905.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997,720.98 : 5,516,862.21 = 2,186,884.98 : x
  2. Step 2: Convert to fraction form
    3,997,720.98/5,516,862.21 = 2,186,884.98/x
  3. Step 3: Cross multiply
    3,997,720.98x = 5,516,862.21 × 2,186,884.98
  4. Step 4: Simplify right side
    3,997,720.98x = 12,064,743,103,778.61
  5. Step 5: Solve for x
    x = 12,064,743,103,778.61/3,997,720.98
  6. Step 6: Final answer
    x = 3,017,905.24

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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.