Home / 2,800,230.80-4,200,346.20-1,605,837.20

Finding the Fourth Proportional to 2,800,230.80, 4,200,346.20 and 1,605,837.20

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Solution

The fourth proportional to 2,800,230.80, 4,200,346.20 and 1,605,837.20 is: 2,408,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,230.80 : 4,200,346.20 = 1,605,837.20 : x
  2. Step 2: Convert to fraction form
    2,800,230.80/4,200,346.20 = 1,605,837.20/x
  3. Step 3: Cross multiply
    2,800,230.80x = 4,200,346.20 × 1,605,837.20
  4. Step 4: Simplify right side
    2,800,230.80x = 6,745,072,180,838.64
  5. Step 5: Solve for x
    x = 6,745,072,180,838.64/2,800,230.80
  6. Step 6: Final answer
    x = 2,408,755.80

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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.