Home / 5,105,469.94-7,045,548.40-2,813,630.63

Finding the Fourth Proportional to 5,105,469.94, 7,045,548.40 and 2,813,630.63

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Solution

The fourth proportional to 5,105,469.94, 7,045,548.40 and 2,813,630.63 is: 3,882,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,469.94 : 7,045,548.40 = 2,813,630.63 : x
  2. Step 2: Convert to fraction form
    5,105,469.94/7,045,548.40 = 2,813,630.63/x
  3. Step 3: Cross multiply
    5,105,469.94x = 7,045,548.40 × 2,813,630.63
  4. Step 4: Simplify right side
    5,105,469.94x = 19,823,570,785,388.78
  5. Step 5: Solve for x
    x = 19,823,570,785,388.78/5,105,469.94
  6. Step 6: Final answer
    x = 3,882,810.20

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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.