Home / 5,105,318.12-7,045,340.20-2,782,211.28

Finding the Fourth Proportional to 5,105,318.12, 7,045,340.20 and 2,782,211.28

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Solution

The fourth proportional to 5,105,318.12, 7,045,340.20 and 2,782,211.28 is: 3,839,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,318.12 : 7,045,340.20 = 2,782,211.28 : x
  2. Step 2: Convert to fraction form
    5,105,318.12/7,045,340.20 = 2,782,211.28/x
  3. Step 3: Cross multiply
    5,105,318.12x = 7,045,340.20 × 2,782,211.28
  4. Step 4: Simplify right side
    5,105,318.12x = 19,601,624,975,877.45
  5. Step 5: Solve for x
    x = 19,601,624,975,877.45/5,105,318.12
  6. Step 6: Final answer
    x = 3,839,452.22

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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.