Home / 3,486,578.48-5,226,872.04-1,211,807.28

Finding the Fourth Proportional to 3,486,578.48, 5,226,872.04 and 1,211,807.28

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Solution

The fourth proportional to 3,486,578.48, 5,226,872.04 and 1,211,807.28 is: 1,816,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486,578.48 : 5,226,872.04 = 1,211,807.28 : x
  2. Step 2: Convert to fraction form
    3,486,578.48/5,226,872.04 = 1,211,807.28/x
  3. Step 3: Cross multiply
    3,486,578.48x = 5,226,872.04 × 1,211,807.28
  4. Step 4: Simplify right side
    3,486,578.48x = 6,333,961,589,700.45
  5. Step 5: Solve for x
    x = 6,333,961,589,700.45/3,486,578.48
  6. Step 6: Final answer
    x = 1,816,669.73

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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.