Home / 3,887,997.80-5,831,996.70-3,533,412.20

Finding the Fourth Proportional to 3,887,997.80, 5,831,996.70 and 3,533,412.20

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Solution

The fourth proportional to 3,887,997.80, 5,831,996.70 and 3,533,412.20 is: 5,300,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,997.80 : 5,831,996.70 = 3,533,412.20 : x
  2. Step 2: Convert to fraction form
    3,887,997.80/5,831,996.70 = 3,533,412.20/x
  3. Step 3: Cross multiply
    3,887,997.80x = 5,831,996.70 × 3,533,412.20
  4. Step 4: Simplify right side
    3,887,997.80x = 20,606,848,290,139.74
  5. Step 5: Solve for x
    x = 20,606,848,290,139.74/3,887,997.80
  6. Step 6: Final answer
    x = 5,300,118.30

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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.