Home / 3,105,518.54-4,659,025.23-1,308,915.86

Finding the Fourth Proportional to 3,105,518.54, 4,659,025.23 and 1,308,915.86

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Solution

The fourth proportional to 3,105,518.54, 4,659,025.23 and 1,308,915.86 is: 1,963,688.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,518.54 : 4,659,025.23 = 1,308,915.86 : x
  2. Step 2: Convert to fraction form
    3,105,518.54/4,659,025.23 = 1,308,915.86/x
  3. Step 3: Cross multiply
    3,105,518.54x = 4,659,025.23 × 1,308,915.86
  4. Step 4: Simplify right side
    3,105,518.54x = 6,098,271,992,392.02
  5. Step 5: Solve for x
    x = 6,098,271,992,392.02/3,105,518.54
  6. Step 6: Final answer
    x = 1,963,688.81

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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.