Home / 2,756,768.61-4,135,412.21-811,498.47

Finding the Fourth Proportional to 2,756,768.61, 4,135,412.21 and 811,498.47

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Solution

The fourth proportional to 2,756,768.61, 4,135,412.21 and 811,498.47 is: 1,217,324.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756,768.61 : 4,135,412.21 = 811,498.47 : x
  2. Step 2: Convert to fraction form
    2,756,768.61/4,135,412.21 = 811,498.47/x
  3. Step 3: Cross multiply
    2,756,768.61x = 4,135,412.21 × 811,498.47
  4. Step 4: Simplify right side
    2,756,768.61x = 3,355,880,681,234.32
  5. Step 5: Solve for x
    x = 3,355,880,681,234.32/2,756,768.61
  6. Step 6: Final answer
    x = 1,217,324.03

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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.