Home / 6,392,173.49-8,819,011.26-3,638,171.15

Finding the Fourth Proportional to 6,392,173.49, 8,819,011.26 and 3,638,171.15

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Solution

The fourth proportional to 6,392,173.49, 8,819,011.26 and 3,638,171.15 is: 5,019,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392,173.49 : 8,819,011.26 = 3,638,171.15 : x
  2. Step 2: Convert to fraction form
    6,392,173.49/8,819,011.26 = 3,638,171.15/x
  3. Step 3: Cross multiply
    6,392,173.49x = 8,819,011.26 × 3,638,171.15
  4. Step 4: Simplify right side
    6,392,173.49x = 32,085,072,359,704.68
  5. Step 5: Solve for x
    x = 32,085,072,359,704.68/6,392,173.49
  6. Step 6: Final answer
    x = 5,019,430.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.