Home / 5,652,619.85-8,478,934.32-1,392,788.54

Finding the Fourth Proportional to 5,652,619.85, 8,478,934.32 and 1,392,788.54

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Solution

The fourth proportional to 5,652,619.85, 8,478,934.32 and 1,392,788.54 is: 2,089,183.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652,619.85 : 8,478,934.32 = 1,392,788.54 : x
  2. Step 2: Convert to fraction form
    5,652,619.85/8,478,934.32 = 1,392,788.54/x
  3. Step 3: Cross multiply
    5,652,619.85x = 8,478,934.32 × 1,392,788.54
  4. Step 4: Simplify right side
    5,652,619.85x = 11,809,362,509,914.02
  5. Step 5: Solve for x
    x = 11,809,362,509,914.02/5,652,619.85
  6. Step 6: Final answer
    x = 2,089,183.92

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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.