Home / 3,370,520.21-4,651,065.50-1,919,932.11

Finding the Fourth Proportional to 3,370,520.21, 4,651,065.50 and 1,919,932.11

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Solution

The fourth proportional to 3,370,520.21, 4,651,065.50 and 1,919,932.11 is: 2,649,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370,520.21 : 4,651,065.50 = 1,919,932.11 : x
  2. Step 2: Convert to fraction form
    3,370,520.21/4,651,065.50 = 1,919,932.11/x
  3. Step 3: Cross multiply
    3,370,520.21x = 4,651,065.50 × 1,919,932.11
  4. Step 4: Simplify right side
    3,370,520.21x = 8,929,729,989,563.55
  5. Step 5: Solve for x
    x = 8,929,729,989,563.55/3,370,520.21
  6. Step 6: Final answer
    x = 2,649,362.55

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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.