Home / 5,390,015.70-8,085,023.55-2,555,663.70

Finding the Fourth Proportional to 5,390,015.70, 8,085,023.55 and 2,555,663.70

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Solution

The fourth proportional to 5,390,015.70, 8,085,023.55 and 2,555,663.70 is: 3,833,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,015.70 : 8,085,023.55 = 2,555,663.70 : x
  2. Step 2: Convert to fraction form
    5,390,015.70/8,085,023.55 = 2,555,663.70/x
  3. Step 3: Cross multiply
    5,390,015.70x = 8,085,023.55 × 2,555,663.70
  4. Step 4: Simplify right side
    5,390,015.70x = 20,662,601,200,380.14
  5. Step 5: Solve for x
    x = 20,662,601,200,380.14/5,390,015.70
  6. Step 6: Final answer
    x = 3,833,495.55

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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.