Home / 3,958,849.20-5,463,275.40-2,148,013.20

Finding the Fourth Proportional to 3,958,849.20, 5,463,275.40 and 2,148,013.20

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Solution

The fourth proportional to 3,958,849.20, 5,463,275.40 and 2,148,013.20 is: 2,964,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958,849.20 : 5,463,275.40 = 2,148,013.20 : x
  2. Step 2: Convert to fraction form
    3,958,849.20/5,463,275.40 = 2,148,013.20/x
  3. Step 3: Cross multiply
    3,958,849.20x = 5,463,275.40 × 2,148,013.20
  4. Step 4: Simplify right side
    3,958,849.20x = 11,735,187,674,435.28
  5. Step 5: Solve for x
    x = 11,735,187,674,435.28/3,958,849.20
  6. Step 6: Final answer
    x = 2,964,292.67

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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.