Home / 6,381,811.50-9,572,800.59-2,121,979.74

Finding the Fourth Proportional to 6,381,811.50, 9,572,800.59 and 2,121,979.74

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Solution

The fourth proportional to 6,381,811.50, 9,572,800.59 and 2,121,979.74 is: 3,182,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,811.50 : 9,572,800.59 = 2,121,979.74 : x
  2. Step 2: Convert to fraction form
    6,381,811.50/9,572,800.59 = 2,121,979.74/x
  3. Step 3: Cross multiply
    6,381,811.50x = 9,572,800.59 × 2,121,979.74
  4. Step 4: Simplify right side
    6,381,811.50x = 20,313,288,907,040.05
  5. Step 5: Solve for x
    x = 20,313,288,907,040.05/6,381,811.50
  6. Step 6: Final answer
    x = 3,182,997.32

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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.