Home / 6,420,862.24-9,632,736.78-2,160,907.00

Finding the Fourth Proportional to 6,420,862.24, 9,632,736.78 and 2,160,907.00

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Solution

The fourth proportional to 6,420,862.24, 9,632,736.78 and 2,160,907.00 is: 3,241,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,862.24 : 9,632,736.78 = 2,160,907.00 : x
  2. Step 2: Convert to fraction form
    6,420,862.24/9,632,736.78 = 2,160,907.00/x
  3. Step 3: Cross multiply
    6,420,862.24x = 9,632,736.78 × 2,160,907.00
  4. Step 4: Simplify right side
    6,420,862.24x = 20,815,448,304,874.21
  5. Step 5: Solve for x
    x = 20,815,448,304,874.21/6,420,862.24
  6. Step 6: Final answer
    x = 3,241,846.27

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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.