Home / 3,119,505.73-4,304,180.16-1,811,980.84

Finding the Fourth Proportional to 3,119,505.73, 4,304,180.16 and 1,811,980.84

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Solution

The fourth proportional to 3,119,505.73, 4,304,180.16 and 1,811,980.84 is: 2,500,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,505.73 : 4,304,180.16 = 1,811,980.84 : x
  2. Step 2: Convert to fraction form
    3,119,505.73/4,304,180.16 = 1,811,980.84/x
  3. Step 3: Cross multiply
    3,119,505.73x = 4,304,180.16 × 1,811,980.84
  4. Step 4: Simplify right side
    3,119,505.73x = 7,799,091,981,828.14
  5. Step 5: Solve for x
    x = 7,799,091,981,828.14/3,119,505.73
  6. Step 6: Final answer
    x = 2,500,105.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.