Home / 2,859,385.38-3,945,951.78-1,570,247.28

Finding the Fourth Proportional to 2,859,385.38, 3,945,951.78 and 1,570,247.28

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Solution

The fourth proportional to 2,859,385.38, 3,945,951.78 and 1,570,247.28 is: 2,166,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,385.38 : 3,945,951.78 = 1,570,247.28 : x
  2. Step 2: Convert to fraction form
    2,859,385.38/3,945,951.78 = 1,570,247.28/x
  3. Step 3: Cross multiply
    2,859,385.38x = 3,945,951.78 × 1,570,247.28
  4. Step 4: Simplify right side
    2,859,385.38x = 6,196,120,049,556.16
  5. Step 5: Solve for x
    x = 6,196,120,049,556.16/2,859,385.38
  6. Step 6: Final answer
    x = 2,166,941.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.