Home / 1,693,915.92-2,538,631.44-1,242,523.44

Finding the Fourth Proportional to 1,693,915.92, 2,538,631.44 and 1,242,523.44

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Solution

The fourth proportional to 1,693,915.92, 2,538,631.44 and 1,242,523.44 is: 1,862,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,915.92 : 2,538,631.44 = 1,242,523.44 : x
  2. Step 2: Convert to fraction form
    1,693,915.92/2,538,631.44 = 1,242,523.44/x
  3. Step 3: Cross multiply
    1,693,915.92x = 2,538,631.44 × 1,242,523.44
  4. Step 4: Simplify right side
    1,693,915.92x = 3,154,309,069,720.95
  5. Step 5: Solve for x
    x = 3,154,309,069,720.95/1,693,915.92
  6. Step 6: Final answer
    x = 1,862,140.28

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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.