Home / 3,114,921.12-4,672,958.40-985,541.28

Finding the Fourth Proportional to 3,114,921.12, 4,672,958.40 and 985,541.28

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Solution

The fourth proportional to 3,114,921.12, 4,672,958.40 and 985,541.28 is: 1,478,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,921.12 : 4,672,958.40 = 985,541.28 : x
  2. Step 2: Convert to fraction form
    3,114,921.12/4,672,958.40 = 985,541.28/x
  3. Step 3: Cross multiply
    3,114,921.12x = 4,672,958.40 × 985,541.28
  4. Step 4: Simplify right side
    3,114,921.12x = 4,605,393,402,922.75
  5. Step 5: Solve for x
    x = 4,605,393,402,922.75/3,114,921.12
  6. Step 6: Final answer
    x = 1,478,494.39

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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.