Home / 2,889,625.84-3,987,748.09-1,649,211.29

Finding the Fourth Proportional to 2,889,625.84, 3,987,748.09 and 1,649,211.29

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Solution

The fourth proportional to 2,889,625.84, 3,987,748.09 and 1,649,211.29 is: 2,275,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,625.84 : 3,987,748.09 = 1,649,211.29 : x
  2. Step 2: Convert to fraction form
    2,889,625.84/3,987,748.09 = 1,649,211.29/x
  3. Step 3: Cross multiply
    2,889,625.84x = 3,987,748.09 × 1,649,211.29
  4. Step 4: Simplify right side
    2,889,625.84x = 6,576,639,171,703.94
  5. Step 5: Solve for x
    x = 6,576,639,171,703.94/2,889,625.84
  6. Step 6: Final answer
    x = 2,275,948.35

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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.