Home / 3,880,469.47-5,355,213.56-2,161,591.15

Finding the Fourth Proportional to 3,880,469.47, 5,355,213.56 and 2,161,591.15

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Solution

The fourth proportional to 3,880,469.47, 5,355,213.56 and 2,161,591.15 is: 2,983,088.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,469.47 : 5,355,213.56 = 2,161,591.15 : x
  2. Step 2: Convert to fraction form
    3,880,469.47/5,355,213.56 = 2,161,591.15/x
  3. Step 3: Cross multiply
    3,880,469.47x = 5,355,213.56 × 2,161,591.15
  4. Step 4: Simplify right side
    3,880,469.47x = 11,575,782,237,655.99
  5. Step 5: Solve for x
    x = 11,575,782,237,655.99/3,880,469.47
  6. Step 6: Final answer
    x = 2,983,088.08

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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.