Home / 3,615,421.50-5,423,164.02-919,749.56

Finding the Fourth Proportional to 3,615,421.50, 5,423,164.02 and 919,749.56

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Solution

The fourth proportional to 3,615,421.50, 5,423,164.02 and 919,749.56 is: 1,379,632.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,421.50 : 5,423,164.02 = 919,749.56 : x
  2. Step 2: Convert to fraction form
    3,615,421.50/5,423,164.02 = 919,749.56/x
  3. Step 3: Cross multiply
    3,615,421.50x = 5,423,164.02 × 919,749.56
  4. Step 4: Simplify right side
    3,615,421.50x = 4,987,952,721,202.83
  5. Step 5: Solve for x
    x = 4,987,952,721,202.83/3,615,421.50
  6. Step 6: Final answer
    x = 1,379,632.42

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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.