Home / 2,647,984.40-3,967,894.20-1,970,889.20

Finding the Fourth Proportional to 2,647,984.40, 3,967,894.20 and 1,970,889.20

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Solution

The fourth proportional to 2,647,984.40, 3,967,894.20 and 1,970,889.20 is: 2,953,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647,984.40 : 3,967,894.20 = 1,970,889.20 : x
  2. Step 2: Convert to fraction form
    2,647,984.40/3,967,894.20 = 1,970,889.20/x
  3. Step 3: Cross multiply
    2,647,984.40x = 3,967,894.20 × 1,970,889.20
  4. Step 4: Simplify right side
    2,647,984.40x = 7,820,279,825,522.64
  5. Step 5: Solve for x
    x = 7,820,279,825,522.64/2,647,984.40
  6. Step 6: Final answer
    x = 2,953,295.28

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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.