Home / 3,887,997.40-5,831,996.10-2,187,386.20

Finding the Fourth Proportional to 3,887,997.40, 5,831,996.10 and 2,187,386.20

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Solution

The fourth proportional to 3,887,997.40, 5,831,996.10 and 2,187,386.20 is: 3,281,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,997.40 : 5,831,996.10 = 2,187,386.20 : x
  2. Step 2: Convert to fraction form
    3,887,997.40/5,831,996.10 = 2,187,386.20/x
  3. Step 3: Cross multiply
    3,887,997.40x = 5,831,996.10 × 2,187,386.20
  4. Step 4: Simplify right side
    3,887,997.40x = 12,756,827,787,593.82
  5. Step 5: Solve for x
    x = 12,756,827,787,593.82/3,887,997.40
  6. Step 6: Final answer
    x = 3,281,079.30

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Similar ratio
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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.