Home / 2,934,139.20-4,401,208.80-2,756,992.20

Finding the Fourth Proportional to 2,934,139.20, 4,401,208.80 and 2,756,992.20

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Solution

The fourth proportional to 2,934,139.20, 4,401,208.80 and 2,756,992.20 is: 4,135,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,139.20 : 4,401,208.80 = 2,756,992.20 : x
  2. Step 2: Convert to fraction form
    2,934,139.20/4,401,208.80 = 2,756,992.20/x
  3. Step 3: Cross multiply
    2,934,139.20x = 4,401,208.80 × 2,756,992.20
  4. Step 4: Simplify right side
    2,934,139.20x = 12,134,098,332,171.36
  5. Step 5: Solve for x
    x = 12,134,098,332,171.36/2,934,139.20
  6. Step 6: Final answer
    x = 4,135,488.30

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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.