Home / 3,145,609.56-4,718,366.39-1,415,257.21

Finding the Fourth Proportional to 3,145,609.56, 4,718,366.39 and 1,415,257.21

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Solution

The fourth proportional to 3,145,609.56, 4,718,366.39 and 1,415,257.21 is: 2,122,864.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,609.56 : 4,718,366.39 = 1,415,257.21 : x
  2. Step 2: Convert to fraction form
    3,145,609.56/4,718,366.39 = 1,415,257.21/x
  3. Step 3: Cross multiply
    3,145,609.56x = 4,718,366.39 × 1,415,257.21
  4. Step 4: Simplify right side
    3,145,609.56x = 6,677,702,054,344.45
  5. Step 5: Solve for x
    x = 6,677,702,054,344.45/3,145,609.56
  6. Step 6: Final answer
    x = 2,122,864.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.