Home / 5,393,712.76-8,089,474.02-1,980,826.36

Finding the Fourth Proportional to 5,393,712.76, 8,089,474.02 and 1,980,826.36

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Solution

The fourth proportional to 5,393,712.76, 8,089,474.02 and 1,980,826.36 is: 2,970,837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393,712.76 : 8,089,474.02 = 1,980,826.36 : x
  2. Step 2: Convert to fraction form
    5,393,712.76/8,089,474.02 = 1,980,826.36/x
  3. Step 3: Cross multiply
    5,393,712.76x = 8,089,474.02 × 1,980,826.36
  4. Step 4: Simplify right side
    5,393,712.76x = 16,023,843,377,351.17
  5. Step 5: Solve for x
    x = 16,023,843,377,351.17/5,393,712.76
  6. Step 6: Final answer
    x = 2,970,837.36

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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.