Home / 3,747,689.85-5,171,828.78-2,028,810.36

Finding the Fourth Proportional to 3,747,689.85, 5,171,828.78 and 2,028,810.36

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Solution

The fourth proportional to 3,747,689.85, 5,171,828.78 and 2,028,810.36 is: 2,799,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747,689.85 : 5,171,828.78 = 2,028,810.36 : x
  2. Step 2: Convert to fraction form
    3,747,689.85/5,171,828.78 = 2,028,810.36/x
  3. Step 3: Cross multiply
    3,747,689.85x = 5,171,828.78 × 2,028,810.36
  4. Step 4: Simplify right side
    3,747,689.85x = 10,492,659,798,866.11
  5. Step 5: Solve for x
    x = 10,492,659,798,866.11/3,747,689.85
  6. Step 6: Final answer
    x = 2,799,767.38

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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.