Home / 3,819,148.26-5,270,563.17-2,187,870.90

Finding the Fourth Proportional to 3,819,148.26, 5,270,563.17 and 2,187,870.90

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Solution

The fourth proportional to 3,819,148.26, 5,270,563.17 and 2,187,870.90 is: 3,019,341.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,148.26 : 5,270,563.17 = 2,187,870.90 : x
  2. Step 2: Convert to fraction form
    3,819,148.26/5,270,563.17 = 2,187,870.90/x
  3. Step 3: Cross multiply
    3,819,148.26x = 5,270,563.17 × 2,187,870.90
  4. Step 4: Simplify right side
    3,819,148.26x = 11,531,311,786,254.75
  5. Step 5: Solve for x
    x = 11,531,311,786,254.75/3,819,148.26
  6. Step 6: Final answer
    x = 3,019,341.23

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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.