Home / 3,850,915.71-5,314,459.64-2,132,225.31

Finding the Fourth Proportional to 3,850,915.71, 5,314,459.64 and 2,132,225.31

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Solution

The fourth proportional to 3,850,915.71, 5,314,459.64 and 2,132,225.31 is: 2,942,579.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850,915.71 : 5,314,459.64 = 2,132,225.31 : x
  2. Step 2: Convert to fraction form
    3,850,915.71/5,314,459.64 = 2,132,225.31/x
  3. Step 3: Cross multiply
    3,850,915.71x = 5,314,459.64 × 2,132,225.31
  4. Step 4: Simplify right side
    3,850,915.71x = 11,331,625,342,720.36
  5. Step 5: Solve for x
    x = 11,331,625,342,720.36/3,850,915.71
  6. Step 6: Final answer
    x = 2,942,579.43

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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.