Home / 3,109,661.28-4,664,865.74-2,939,600.16

Finding the Fourth Proportional to 3,109,661.28, 4,664,865.74 and 2,939,600.16

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Solution

The fourth proportional to 3,109,661.28, 4,664,865.74 and 2,939,600.16 is: 4,409,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,661.28 : 4,664,865.74 = 2,939,600.16 : x
  2. Step 2: Convert to fraction form
    3,109,661.28/4,664,865.74 = 2,939,600.16/x
  3. Step 3: Cross multiply
    3,109,661.28x = 4,664,865.74 × 2,939,600.16
  4. Step 4: Simplify right side
    3,109,661.28x = 13,712,840,060,984.52
  5. Step 5: Solve for x
    x = 13,712,840,060,984.52/3,109,661.28
  6. Step 6: Final answer
    x = 4,409,753.61

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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.