Home / 1,618,069.92-2,428,188.41-671,441.55

Finding the Fourth Proportional to 1,618,069.92, 2,428,188.41 and 671,441.55

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Solution

The fourth proportional to 1,618,069.92, 2,428,188.41 and 671,441.55 is: 1,007,611.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,069.92 : 2,428,188.41 = 671,441.55 : x
  2. Step 2: Convert to fraction form
    1,618,069.92/2,428,188.41 = 671,441.55/x
  3. Step 3: Cross multiply
    1,618,069.92x = 2,428,188.41 × 671,441.55
  4. Step 4: Simplify right side
    1,618,069.92x = 1,630,386,589,702.44
  5. Step 5: Solve for x
    x = 1,630,386,589,702.44/1,618,069.92
  6. Step 6: Final answer
    x = 1,007,611.95

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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.