Home / 4,294,938.20-6,428,388.54-3,157,399.28

Finding the Fourth Proportional to 4,294,938.20, 6,428,388.54 and 3,157,399.28

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Solution

The fourth proportional to 4,294,938.20, 6,428,388.54 and 3,157,399.28 is: 4,725,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294,938.20 : 6,428,388.54 = 3,157,399.28 : x
  2. Step 2: Convert to fraction form
    4,294,938.20/6,428,388.54 = 3,157,399.28/x
  3. Step 3: Cross multiply
    4,294,938.20x = 6,428,388.54 × 3,157,399.28
  4. Step 4: Simplify right side
    4,294,938.20x = 20,296,989,347,756.25
  5. Step 5: Solve for x
    x = 20,296,989,347,756.25/4,294,938.20
  6. Step 6: Final answer
    x = 4,725,793.11

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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.