Home / 2,952,408.45-4,073,830.29-1,645,375.05

Finding the Fourth Proportional to 2,952,408.45, 4,073,830.29 and 1,645,375.05

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Solution

The fourth proportional to 2,952,408.45, 4,073,830.29 and 1,645,375.05 is: 2,270,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952,408.45 : 4,073,830.29 = 1,645,375.05 : x
  2. Step 2: Convert to fraction form
    2,952,408.45/4,073,830.29 = 1,645,375.05/x
  3. Step 3: Cross multiply
    2,952,408.45x = 4,073,830.29 × 1,645,375.05
  4. Step 4: Simplify right side
    2,952,408.45x = 6,702,978,717,100.27
  5. Step 5: Solve for x
    x = 6,702,978,717,100.27/2,952,408.45
  6. Step 6: Final answer
    x = 2,270,342.61

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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.