Home / 2,238,474.24-3,089,094.96-1,219,879.20

Finding the Fourth Proportional to 2,238,474.24, 3,089,094.96 and 1,219,879.20

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Solution

The fourth proportional to 2,238,474.24, 3,089,094.96 and 1,219,879.20 is: 1,683,433.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,474.24 : 3,089,094.96 = 1,219,879.20 : x
  2. Step 2: Convert to fraction form
    2,238,474.24/3,089,094.96 = 1,219,879.20/x
  3. Step 3: Cross multiply
    2,238,474.24x = 3,089,094.96 × 1,219,879.20
  4. Step 4: Simplify right side
    2,238,474.24x = 3,768,322,688,528.83
  5. Step 5: Solve for x
    x = 3,768,322,688,528.83/2,238,474.24
  6. Step 6: Final answer
    x = 1,683,433.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.