Home / 3,686,096.49-5,531,634.69-1,289,961.89

Finding the Fourth Proportional to 3,686,096.49, 5,531,634.69 and 1,289,961.89

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Solution

The fourth proportional to 3,686,096.49, 5,531,634.69 and 1,289,961.89 is: 1,935,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,096.49 : 5,531,634.69 = 1,289,961.89 : x
  2. Step 2: Convert to fraction form
    3,686,096.49/5,531,634.69 = 1,289,961.89/x
  3. Step 3: Cross multiply
    3,686,096.49x = 5,531,634.69 × 1,289,961.89
  4. Step 4: Simplify right side
    3,686,096.49x = 7,135,597,911,843.79
  5. Step 5: Solve for x
    x = 7,135,597,911,843.79/3,686,096.49
  6. Step 6: Final answer
    x = 1,935,814.20

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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.