Home / 3,887,996.70-5,831,995.05-3,651,606.30

Finding the Fourth Proportional to 3,887,996.70, 5,831,995.05 and 3,651,606.30

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Solution

The fourth proportional to 3,887,996.70, 5,831,995.05 and 3,651,606.30 is: 5,477,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,996.70 : 5,831,995.05 = 3,651,606.30 : x
  2. Step 2: Convert to fraction form
    3,887,996.70/5,831,995.05 = 3,651,606.30/x
  3. Step 3: Cross multiply
    3,887,996.70x = 5,831,995.05 × 3,651,606.30
  4. Step 4: Simplify right side
    3,887,996.70x = 21,296,149,866,148.81
  5. Step 5: Solve for x
    x = 21,296,149,866,148.81/3,887,996.70
  6. Step 6: Final answer
    x = 5,477,409.45

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Double scale
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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.