Home / 5,318,358.36-7,980,028.89-2,621,213.28

Finding the Fourth Proportional to 5,318,358.36, 7,980,028.89 and 2,621,213.28

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Solution

The fourth proportional to 5,318,358.36, 7,980,028.89 and 2,621,213.28 is: 3,933,047.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,358.36 : 7,980,028.89 = 2,621,213.28 : x
  2. Step 2: Convert to fraction form
    5,318,358.36/7,980,028.89 = 2,621,213.28/x
  3. Step 3: Cross multiply
    5,318,358.36x = 7,980,028.89 × 2,621,213.28
  4. Step 4: Simplify right side
    5,318,358.36x = 20,917,357,701,251.66
  5. Step 5: Solve for x
    x = 20,917,357,701,251.66/5,318,358.36
  6. Step 6: Final answer
    x = 3,933,047.81

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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.