Home / 3,631,503.80-5,011,915.56-2,181,960.20

Finding the Fourth Proportional to 3,631,503.80, 5,011,915.56 and 2,181,960.20

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Solution

The fourth proportional to 3,631,503.80, 5,011,915.56 and 2,181,960.20 is: 3,011,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631,503.80 : 5,011,915.56 = 2,181,960.20 : x
  2. Step 2: Convert to fraction form
    3,631,503.80/5,011,915.56 = 2,181,960.20/x
  3. Step 3: Cross multiply
    3,631,503.80x = 5,011,915.56 × 2,181,960.20
  4. Step 4: Simplify right side
    3,631,503.80x = 10,935,800,277,680.71
  5. Step 5: Solve for x
    x = 10,935,800,277,680.71/3,631,503.80
  6. Step 6: Final answer
    x = 3,011,369.64

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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.