Home / 3,500,503.80-5,250,755.70-3,478,385.40

Finding the Fourth Proportional to 3,500,503.80, 5,250,755.70 and 3,478,385.40

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Solution

The fourth proportional to 3,500,503.80, 5,250,755.70 and 3,478,385.40 is: 5,217,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,503.80 : 5,250,755.70 = 3,478,385.40 : x
  2. Step 2: Convert to fraction form
    3,500,503.80/5,250,755.70 = 3,478,385.40/x
  3. Step 3: Cross multiply
    3,500,503.80x = 5,250,755.70 × 3,478,385.40
  4. Step 4: Simplify right side
    3,500,503.80x = 18,264,151,965,846.78
  5. Step 5: Solve for x
    x = 18,264,151,965,846.78/3,500,503.80
  6. Step 6: Final answer
    x = 5,217,578.10

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Similar ratio
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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.