Home / 4,839,834.45-7,259,952-1,428,121.05

Finding the Fourth Proportional to 4,839,834.45, 7,259,952 and 1,428,121.05

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Solution

The fourth proportional to 4,839,834.45, 7,259,952 and 1,428,121.05 is: 2,142,240.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839,834.45 : 7,259,952 = 1,428,121.05 : x
  2. Step 2: Convert to fraction form
    4,839,834.45/7,259,952 = 1,428,121.05/x
  3. Step 3: Cross multiply
    4,839,834.45x = 7,259,952 × 1,428,121.05
  4. Step 4: Simplify right side
    4,839,834.45x = 10,368,090,273,189.60
  5. Step 5: Solve for x
    x = 10,368,090,273,189.60/4,839,834.45
  6. Step 6: Final answer
    x = 2,142,240.69

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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.