Home / 4,080,991.80-6,121,487.70-2,289,401.40

Finding the Fourth Proportional to 4,080,991.80, 6,121,487.70 and 2,289,401.40

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Solution

The fourth proportional to 4,080,991.80, 6,121,487.70 and 2,289,401.40 is: 3,434,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080,991.80 : 6,121,487.70 = 2,289,401.40 : x
  2. Step 2: Convert to fraction form
    4,080,991.80/6,121,487.70 = 2,289,401.40/x
  3. Step 3: Cross multiply
    4,080,991.80x = 6,121,487.70 × 2,289,401.40
  4. Step 4: Simplify right side
    4,080,991.80x = 14,014,542,510,462.78
  5. Step 5: Solve for x
    x = 14,014,542,510,462.78/4,080,991.80
  6. Step 6: Final answer
    x = 3,434,102.10

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1.5x scale

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.