Home / 3,590,181.70-5,385,272.55-2,787,115.30

Finding the Fourth Proportional to 3,590,181.70, 5,385,272.55 and 2,787,115.30

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Solution

The fourth proportional to 3,590,181.70, 5,385,272.55 and 2,787,115.30 is: 4,180,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590,181.70 : 5,385,272.55 = 2,787,115.30 : x
  2. Step 2: Convert to fraction form
    3,590,181.70/5,385,272.55 = 2,787,115.30/x
  3. Step 3: Cross multiply
    3,590,181.70x = 5,385,272.55 × 2,787,115.30
  4. Step 4: Simplify right side
    3,590,181.70x = 15,009,375,518,775.01
  5. Step 5: Solve for x
    x = 15,009,375,518,775.01/3,590,181.70
  6. Step 6: Final answer
    x = 4,180,672.95

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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.