Home / 2,015,951.20-3,023,926.80-1,861,986.40

Finding the Fourth Proportional to 2,015,951.20, 3,023,926.80 and 1,861,986.40

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Solution

The fourth proportional to 2,015,951.20, 3,023,926.80 and 1,861,986.40 is: 2,792,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,951.20 : 3,023,926.80 = 1,861,986.40 : x
  2. Step 2: Convert to fraction form
    2,015,951.20/3,023,926.80 = 1,861,986.40/x
  3. Step 3: Cross multiply
    2,015,951.20x = 3,023,926.80 × 1,861,986.40
  4. Step 4: Simplify right side
    2,015,951.20x = 5,630,510,576,195.52
  5. Step 5: Solve for x
    x = 5,630,510,576,195.52/2,015,951.20
  6. Step 6: Final answer
    x = 2,792,979.60

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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.