Home / 3,426,164.81-5,139,896.03-1,376,984.42

Finding the Fourth Proportional to 3,426,164.81, 5,139,896.03 and 1,376,984.42

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Solution

The fourth proportional to 3,426,164.81, 5,139,896.03 and 1,376,984.42 is: 2,065,737.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,164.81 : 5,139,896.03 = 1,376,984.42 : x
  2. Step 2: Convert to fraction form
    3,426,164.81/5,139,896.03 = 1,376,984.42/x
  3. Step 3: Cross multiply
    3,426,164.81x = 5,139,896.03 × 1,376,984.42
  4. Step 4: Simplify right side
    3,426,164.81x = 7,077,556,753,729.85
  5. Step 5: Solve for x
    x = 7,077,556,753,729.85/3,426,164.81
  6. Step 6: Final answer
    x = 2,065,737.39

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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.