Home / 2,238,684.48-3,089,294.64-1,220,067.36

Finding the Fourth Proportional to 2,238,684.48, 3,089,294.64 and 1,220,067.36

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Solution

The fourth proportional to 2,238,684.48, 3,089,294.64 and 1,220,067.36 is: 1,683,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,684.48 : 3,089,294.64 = 1,220,067.36 : x
  2. Step 2: Convert to fraction form
    2,238,684.48/3,089,294.64 = 1,220,067.36/x
  3. Step 3: Cross multiply
    2,238,684.48x = 3,089,294.64 × 1,220,067.36
  4. Step 4: Simplify right side
    2,238,684.48x = 3,769,147,555,686.95
  5. Step 5: Solve for x
    x = 3,769,147,555,686.95/2,238,684.48
  6. Step 6: Final answer
    x = 1,683,643.94

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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.