Home / 3,725,355.12-5,137,162.26-3,113,279.43

Finding the Fourth Proportional to 3,725,355.12, 5,137,162.26 and 3,113,279.43

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Solution

The fourth proportional to 3,725,355.12, 5,137,162.26 and 3,113,279.43 is: 4,293,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725,355.12 : 5,137,162.26 = 3,113,279.43 : x
  2. Step 2: Convert to fraction form
    3,725,355.12/5,137,162.26 = 3,113,279.43/x
  3. Step 3: Cross multiply
    3,725,355.12x = 5,137,162.26 × 3,113,279.43
  4. Step 4: Simplify right side
    3,725,355.12x = 15,993,421,592,630.31
  5. Step 5: Solve for x
    x = 15,993,421,592,630.31/3,725,355.12
  6. Step 6: Final answer
    x = 4,293,126.72

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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.