Home / 2,920,363.20-4,380,544.80-2,808,388.80

Finding the Fourth Proportional to 2,920,363.20, 4,380,544.80 and 2,808,388.80

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Solution

The fourth proportional to 2,920,363.20, 4,380,544.80 and 2,808,388.80 is: 4,212,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,363.20 : 4,380,544.80 = 2,808,388.80 : x
  2. Step 2: Convert to fraction form
    2,920,363.20/4,380,544.80 = 2,808,388.80/x
  3. Step 3: Cross multiply
    2,920,363.20x = 4,380,544.80 × 2,808,388.80
  4. Step 4: Simplify right side
    2,920,363.20x = 12,302,272,954,218.24
  5. Step 5: Solve for x
    x = 12,302,272,954,218.24/2,920,363.20
  6. Step 6: Final answer
    x = 4,212,583.20

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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.