Home / 5,433,153.40-8,149,730.10-1,646,144.20

Finding the Fourth Proportional to 5,433,153.40, 8,149,730.10 and 1,646,144.20

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Solution

The fourth proportional to 5,433,153.40, 8,149,730.10 and 1,646,144.20 is: 2,469,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433,153.40 : 8,149,730.10 = 1,646,144.20 : x
  2. Step 2: Convert to fraction form
    5,433,153.40/8,149,730.10 = 1,646,144.20/x
  3. Step 3: Cross multiply
    5,433,153.40x = 8,149,730.10 × 1,646,144.20
  4. Step 4: Simplify right side
    5,433,153.40x = 13,415,630,935,680.42
  5. Step 5: Solve for x
    x = 13,415,630,935,680.42/5,433,153.40
  6. Step 6: Final answer
    x = 2,469,216.30

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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.