Home / 3,478,341.20-5,214,919.80-1,796,651.60

Finding the Fourth Proportional to 3,478,341.20, 5,214,919.80 and 1,796,651.60

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Solution

The fourth proportional to 3,478,341.20, 5,214,919.80 and 1,796,651.60 is: 2,693,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,341.20 : 5,214,919.80 = 1,796,651.60 : x
  2. Step 2: Convert to fraction form
    3,478,341.20/5,214,919.80 = 1,796,651.60/x
  3. Step 3: Cross multiply
    3,478,341.20x = 5,214,919.80 × 1,796,651.60
  4. Step 4: Simplify right side
    3,478,341.20x = 9,369,394,002,541.68
  5. Step 5: Solve for x
    x = 9,369,394,002,541.68/3,478,341.20
  6. Step 6: Final answer
    x = 2,693,638.57

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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.