Home / 5,157,892.16-7,117,749.76-2,865,993.92

Finding the Fourth Proportional to 5,157,892.16, 7,117,749.76 and 2,865,993.92

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Solution

The fourth proportional to 5,157,892.16, 7,117,749.76 and 2,865,993.92 is: 3,954,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157,892.16 : 7,117,749.76 = 2,865,993.92 : x
  2. Step 2: Convert to fraction form
    5,157,892.16/7,117,749.76 = 2,865,993.92/x
  3. Step 3: Cross multiply
    5,157,892.16x = 7,117,749.76 × 2,865,993.92
  4. Step 4: Simplify right side
    5,157,892.16x = 20,399,427,536,241.46
  5. Step 5: Solve for x
    x = 20,399,427,536,241.46/5,157,892.16
  6. Step 6: Final answer
    x = 3,954,993.03

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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.