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Finding the Fourth Proportional to 2,048,791.80, 2,862,709.80 and 2,048,791.80

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Solution

The fourth proportional to 2,048,791.80, 2,862,709.80 and 2,048,791.80 is: 2,862,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048,791.80 : 2,862,709.80 = 2,048,791.80 : x
  2. Step 2: Convert to fraction form
    2,048,791.80/2,862,709.80 = 2,048,791.80/x
  3. Step 3: Cross multiply
    2,048,791.80x = 2,862,709.80 × 2,048,791.80
  4. Step 4: Simplify right side
    2,048,791.80x = 5,865,096,364,019.64
  5. Step 5: Solve for x
    x = 5,865,096,364,019.64/2,048,791.80
  6. Step 6: Final answer
    x = 2,862,709.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.