Home / 2,756,767.86-4,135,411.09-811,497.71

Finding the Fourth Proportional to 2,756,767.86, 4,135,411.09 and 811,497.71

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Solution

The fourth proportional to 2,756,767.86, 4,135,411.09 and 811,497.71 is: 1,217,322.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756,767.86 : 4,135,411.09 = 811,497.71 : x
  2. Step 2: Convert to fraction form
    2,756,767.86/4,135,411.09 = 811,497.71/x
  3. Step 3: Cross multiply
    2,756,767.86x = 4,135,411.09 × 811,497.71
  4. Step 4: Simplify right side
    2,756,767.86x = 3,355,876,629,443.60
  5. Step 5: Solve for x
    x = 3,355,876,629,443.60/2,756,767.86
  6. Step 6: Final answer
    x = 1,217,322.89

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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.