Home / 5,470,019.40-8,212,416.30-3,197,872.20

Finding the Fourth Proportional to 5,470,019.40, 8,212,416.30 and 3,197,872.20

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Solution

The fourth proportional to 5,470,019.40, 8,212,416.30 and 3,197,872.20 is: 4,801,126.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470,019.40 : 8,212,416.30 = 3,197,872.20 : x
  2. Step 2: Convert to fraction form
    5,470,019.40/8,212,416.30 = 3,197,872.20/x
  3. Step 3: Cross multiply
    5,470,019.40x = 8,212,416.30 × 3,197,872.20
  4. Step 4: Simplify right side
    5,470,019.40x = 26,262,257,780,596.86
  5. Step 5: Solve for x
    x = 26,262,257,780,596.86/5,470,019.40
  6. Step 6: Final answer
    x = 4,801,126.99

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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.