Home / 3,621,146.80-5,431,720.20-1,630,490.80

Finding the Fourth Proportional to 3,621,146.80, 5,431,720.20 and 1,630,490.80

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Solution

The fourth proportional to 3,621,146.80, 5,431,720.20 and 1,630,490.80 is: 2,445,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,146.80 : 5,431,720.20 = 1,630,490.80 : x
  2. Step 2: Convert to fraction form
    3,621,146.80/5,431,720.20 = 1,630,490.80/x
  3. Step 3: Cross multiply
    3,621,146.80x = 5,431,720.20 × 1,630,490.80
  4. Step 4: Simplify right side
    3,621,146.80x = 8,856,369,814,274.16
  5. Step 5: Solve for x
    x = 8,856,369,814,274.16/3,621,146.80
  6. Step 6: Final answer
    x = 2,445,736.20

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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.