Home / 3,413,946.30-5,120,919.45-889,601.55

Finding the Fourth Proportional to 3,413,946.30, 5,120,919.45 and 889,601.55

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Solution

The fourth proportional to 3,413,946.30, 5,120,919.45 and 889,601.55 is: 1,334,402.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,946.30 : 5,120,919.45 = 889,601.55 : x
  2. Step 2: Convert to fraction form
    3,413,946.30/5,120,919.45 = 889,601.55/x
  3. Step 3: Cross multiply
    3,413,946.30x = 5,120,919.45 × 889,601.55
  4. Step 4: Simplify right side
    3,413,946.30x = 4,555,577,880,145.15
  5. Step 5: Solve for x
    x = 4,555,577,880,145.15/3,413,946.30
  6. Step 6: Final answer
    x = 1,334,402.33

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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.