Home / 3,213,128.86-4,816,330.43-1,082,476.78

Finding the Fourth Proportional to 3,213,128.86, 4,816,330.43 and 1,082,476.78

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Solution

The fourth proportional to 3,213,128.86, 4,816,330.43 and 1,082,476.78 is: 1,622,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,128.86 : 4,816,330.43 = 1,082,476.78 : x
  2. Step 2: Convert to fraction form
    3,213,128.86/4,816,330.43 = 1,082,476.78/x
  3. Step 3: Cross multiply
    3,213,128.86x = 4,816,330.43 × 1,082,476.78
  4. Step 4: Simplify right side
    3,213,128.86x = 5,213,565,855,282.42
  5. Step 5: Solve for x
    x = 5,213,565,855,282.42/3,213,128.86
  6. Step 6: Final answer
    x = 1,622,582.25

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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.