Home / 3,287,070.90-4,930,606.39-890,915.53

Finding the Fourth Proportional to 3,287,070.90, 4,930,606.39 and 890,915.53

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Solution

The fourth proportional to 3,287,070.90, 4,930,606.39 and 890,915.53 is: 1,336,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287,070.90 : 4,930,606.39 = 890,915.53 : x
  2. Step 2: Convert to fraction form
    3,287,070.90/4,930,606.39 = 890,915.53/x
  3. Step 3: Cross multiply
    3,287,070.90x = 4,930,606.39 × 890,915.53
  4. Step 4: Simplify right side
    3,287,070.90x = 4,392,753,805,168.24
  5. Step 5: Solve for x
    x = 4,392,753,805,168.24/3,287,070.90
  6. Step 6: Final answer
    x = 1,336,373.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.