Home / 5,315,461.20-7,973,191.80-1,949,230.80

Finding the Fourth Proportional to 5,315,461.20, 7,973,191.80 and 1,949,230.80

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Solution

The fourth proportional to 5,315,461.20, 7,973,191.80 and 1,949,230.80 is: 2,923,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,461.20 : 7,973,191.80 = 1,949,230.80 : x
  2. Step 2: Convert to fraction form
    5,315,461.20/7,973,191.80 = 1,949,230.80/x
  3. Step 3: Cross multiply
    5,315,461.20x = 7,973,191.80 × 1,949,230.80
  4. Step 4: Simplify right side
    5,315,461.20x = 15,541,591,030,867.44
  5. Step 5: Solve for x
    x = 15,541,591,030,867.44/5,315,461.20
  6. Step 6: Final answer
    x = 2,923,846.20

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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.