Home / 5,218,945.50-7,202,142.54-3,043,068.42

Finding the Fourth Proportional to 5,218,945.50, 7,202,142.54 and 3,043,068.42

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Solution

The fourth proportional to 5,218,945.50, 7,202,142.54 and 3,043,068.42 is: 4,199,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218,945.50 : 7,202,142.54 = 3,043,068.42 : x
  2. Step 2: Convert to fraction form
    5,218,945.50/7,202,142.54 = 3,043,068.42/x
  3. Step 3: Cross multiply
    5,218,945.50x = 7,202,142.54 × 3,043,068.42
  4. Step 4: Simplify right side
    5,218,945.50x = 21,916,612,519,812.59
  5. Step 5: Solve for x
    x = 21,916,612,519,812.59/5,218,945.50
  6. Step 6: Final answer
    x = 4,199,433.11

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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.