Home / 3,621,000.45-5,431,500.68-1,941,384.45

Finding the Fourth Proportional to 3,621,000.45, 5,431,500.68 and 1,941,384.45

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Solution

The fourth proportional to 3,621,000.45, 5,431,500.68 and 1,941,384.45 is: 2,912,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,000.45 : 5,431,500.68 = 1,941,384.45 : x
  2. Step 2: Convert to fraction form
    3,621,000.45/5,431,500.68 = 1,941,384.45/x
  3. Step 3: Cross multiply
    3,621,000.45x = 5,431,500.68 × 1,941,384.45
  4. Step 4: Simplify right side
    3,621,000.45x = 10,544,630,950,609.50
  5. Step 5: Solve for x
    x = 10,544,630,950,609.50/3,621,000.45
  6. Step 6: Final answer
    x = 2,912,076.68

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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.