Home / 6,381,813.50-9,572,803.60-2,121,981.74

Finding the Fourth Proportional to 6,381,813.50, 9,572,803.60 and 2,121,981.74

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Solution

The fourth proportional to 6,381,813.50, 9,572,803.60 and 2,121,981.74 is: 3,183,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,813.50 : 9,572,803.60 = 2,121,981.74 : x
  2. Step 2: Convert to fraction form
    6,381,813.50/9,572,803.60 = 2,121,981.74/x
  3. Step 3: Cross multiply
    6,381,813.50x = 9,572,803.60 × 2,121,981.74
  4. Step 4: Simplify right side
    6,381,813.50x = 20,313,314,439,806.27
  5. Step 5: Solve for x
    x = 20,313,314,439,806.27/6,381,813.50
  6. Step 6: Final answer
    x = 3,183,000.32

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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.