Home / 5,447,137.20-8,170,705.80-4,384,255.20

Finding the Fourth Proportional to 5,447,137.20, 8,170,705.80 and 4,384,255.20

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Solution

The fourth proportional to 5,447,137.20, 8,170,705.80 and 4,384,255.20 is: 6,576,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447,137.20 : 8,170,705.80 = 4,384,255.20 : x
  2. Step 2: Convert to fraction form
    5,447,137.20/8,170,705.80 = 4,384,255.20/x
  3. Step 3: Cross multiply
    5,447,137.20x = 8,170,705.80 × 4,384,255.20
  4. Step 4: Simplify right side
    5,447,137.20x = 35,822,459,391,320.16
  5. Step 5: Solve for x
    x = 35,822,459,391,320.16/5,447,137.20
  6. Step 6: Final answer
    x = 6,576,382.80

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1.5x scale

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.