Home / 3,867,889.46-5,337,656.21-2,101,772.30

Finding the Fourth Proportional to 3,867,889.46, 5,337,656.21 and 2,101,772.30

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Solution

The fourth proportional to 3,867,889.46, 5,337,656.21 and 2,101,772.30 is: 2,900,428.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,889.46 : 5,337,656.21 = 2,101,772.30 : x
  2. Step 2: Convert to fraction form
    3,867,889.46/5,337,656.21 = 2,101,772.30/x
  3. Step 3: Cross multiply
    3,867,889.46x = 5,337,656.21 × 2,101,772.30
  4. Step 4: Simplify right side
    3,867,889.46x = 11,218,537,947,667.13
  5. Step 5: Solve for x
    x = 11,218,537,947,667.13/3,867,889.46
  6. Step 6: Final answer
    x = 2,900,428.79

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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.