Home / 3,321,396.80-4,982,095.20-2,124,670.40

Finding the Fourth Proportional to 3,321,396.80, 4,982,095.20 and 2,124,670.40

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Solution

The fourth proportional to 3,321,396.80, 4,982,095.20 and 2,124,670.40 is: 3,187,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,396.80 : 4,982,095.20 = 2,124,670.40 : x
  2. Step 2: Convert to fraction form
    3,321,396.80/4,982,095.20 = 2,124,670.40/x
  3. Step 3: Cross multiply
    3,321,396.80x = 4,982,095.20 × 2,124,670.40
  4. Step 4: Simplify right side
    3,321,396.80x = 10,585,310,201,422.08
  5. Step 5: Solve for x
    x = 10,585,310,201,422.08/3,321,396.80
  6. Step 6: Final answer
    x = 3,187,005.60

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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.