Home / 3,426,163.81-5,139,894.53-1,376,983.42

Finding the Fourth Proportional to 3,426,163.81, 5,139,894.53 and 1,376,983.42

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Solution

The fourth proportional to 3,426,163.81, 5,139,894.53 and 1,376,983.42 is: 2,065,735.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,163.81 : 5,139,894.53 = 1,376,983.42 : x
  2. Step 2: Convert to fraction form
    3,426,163.81/5,139,894.53 = 1,376,983.42/x
  3. Step 3: Cross multiply
    3,426,163.81x = 5,139,894.53 × 1,376,983.42
  4. Step 4: Simplify right side
    3,426,163.81x = 7,077,549,538,951.41
  5. Step 5: Solve for x
    x = 7,077,549,538,951.41/3,426,163.81
  6. Step 6: Final answer
    x = 2,065,735.89

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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.