Home / 3,207,807.77-4,811,721.52-811,651.89

Finding the Fourth Proportional to 3,207,807.77, 4,811,721.52 and 811,651.89

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Solution

The fourth proportional to 3,207,807.77, 4,811,721.52 and 811,651.89 is: 1,217,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,807.77 : 4,811,721.52 = 811,651.89 : x
  2. Step 2: Convert to fraction form
    3,207,807.77/4,811,721.52 = 811,651.89/x
  3. Step 3: Cross multiply
    3,207,807.77x = 4,811,721.52 × 811,651.89
  4. Step 4: Simplify right side
    3,207,807.77x = 3,905,442,883,398.35
  5. Step 5: Solve for x
    x = 3,905,442,883,398.35/3,207,807.77
  6. Step 6: Final answer
    x = 1,217,480.34

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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.