Home / 3,615,420.96-5,423,163.22-919,749.02

Finding the Fourth Proportional to 3,615,420.96, 5,423,163.22 and 919,749.02

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Solution

The fourth proportional to 3,615,420.96, 5,423,163.22 and 919,749.02 is: 1,379,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,420.96 : 5,423,163.22 = 919,749.02 : x
  2. Step 2: Convert to fraction form
    3,615,420.96/5,423,163.22 = 919,749.02/x
  3. Step 3: Cross multiply
    3,615,420.96x = 5,423,163.22 × 919,749.02
  4. Step 4: Simplify right side
    3,615,420.96x = 4,987,949,077,333.44
  5. Step 5: Solve for x
    x = 4,987,949,077,333.44/3,615,420.96
  6. Step 6: Final answer
    x = 1,379,631.62

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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.