Home / 2,238,612.30-3,089,273.31-1,220,008.14

Finding the Fourth Proportional to 2,238,612.30, 3,089,273.31 and 1,220,008.14

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Solution

The fourth proportional to 2,238,612.30, 3,089,273.31 and 1,220,008.14 is: 1,683,604.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,612.30 : 3,089,273.31 = 1,220,008.14 : x
  2. Step 2: Convert to fraction form
    2,238,612.30/3,089,273.31 = 1,220,008.14/x
  3. Step 3: Cross multiply
    2,238,612.30x = 3,089,273.31 × 1,220,008.14
  4. Step 4: Simplify right side
    2,238,612.30x = 3,768,938,584,884.74
  5. Step 5: Solve for x
    x = 3,768,938,584,884.74/2,238,612.30
  6. Step 6: Final answer
    x = 1,683,604.88

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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.