Home / 3,819,059.75-5,270,142.02-2,165,318.11

Finding the Fourth Proportional to 3,819,059.75, 5,270,142.02 and 2,165,318.11

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Solution

The fourth proportional to 3,819,059.75, 5,270,142.02 and 2,165,318.11 is: 2,988,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,059.75 : 5,270,142.02 = 2,165,318.11 : x
  2. Step 2: Convert to fraction form
    3,819,059.75/5,270,142.02 = 2,165,318.11/x
  3. Step 3: Cross multiply
    3,819,059.75x = 5,270,142.02 × 2,165,318.11
  4. Step 4: Simplify right side
    3,819,059.75x = 11,411,533,957,149.54
  5. Step 5: Solve for x
    x = 11,411,533,957,149.54/3,819,059.75
  6. Step 6: Final answer
    x = 2,988,048.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.