Home / 5,419,518.54-8,128,486.52-1,580,309.29

Finding the Fourth Proportional to 5,419,518.54, 8,128,486.52 and 1,580,309.29

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Solution

The fourth proportional to 5,419,518.54, 8,128,486.52 and 1,580,309.29 is: 2,370,233.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,518.54 : 8,128,486.52 = 1,580,309.29 : x
  2. Step 2: Convert to fraction form
    5,419,518.54/8,128,486.52 = 1,580,309.29/x
  3. Step 3: Cross multiply
    5,419,518.54x = 8,128,486.52 × 1,580,309.29
  4. Step 4: Simplify right side
    5,419,518.54x = 12,845,522,769,380.99
  5. Step 5: Solve for x
    x = 12,845,522,769,380.99/5,419,518.54
  6. Step 6: Final answer
    x = 2,370,233.20

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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.