Home / 3,458,981.70-5,188,472.55-3,405,837.60

Finding the Fourth Proportional to 3,458,981.70, 5,188,472.55 and 3,405,837.60

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Solution

The fourth proportional to 3,458,981.70, 5,188,472.55 and 3,405,837.60 is: 5,108,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458,981.70 : 5,188,472.55 = 3,405,837.60 : x
  2. Step 2: Convert to fraction form
    3,458,981.70/5,188,472.55 = 3,405,837.60/x
  3. Step 3: Cross multiply
    3,458,981.70x = 5,188,472.55 × 3,405,837.60
  4. Step 4: Simplify right side
    3,458,981.70x = 17,671,094,897,357.88
  5. Step 5: Solve for x
    x = 17,671,094,897,357.88/3,458,981.70
  6. Step 6: Final answer
    x = 5,108,756.40

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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.