Home / 5,384,255.70-8,076,383.55-4,427,661.90

Finding the Fourth Proportional to 5,384,255.70, 8,076,383.55 and 4,427,661.90

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Solution

The fourth proportional to 5,384,255.70, 8,076,383.55 and 4,427,661.90 is: 6,641,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,255.70 : 8,076,383.55 = 4,427,661.90 : x
  2. Step 2: Convert to fraction form
    5,384,255.70/8,076,383.55 = 4,427,661.90/x
  3. Step 3: Cross multiply
    5,384,255.70x = 8,076,383.55 × 4,427,661.90
  4. Step 4: Simplify right side
    5,384,255.70x = 35,759,495,734,121.75
  5. Step 5: Solve for x
    x = 35,759,495,734,121.75/5,384,255.70
  6. Step 6: Final answer
    x = 6,641,492.85

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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.