Home / 2,238,609.30-3,089,269.17-1,220,005.14

Finding the Fourth Proportional to 2,238,609.30, 3,089,269.17 and 1,220,005.14

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Solution

The fourth proportional to 2,238,609.30, 3,089,269.17 and 1,220,005.14 is: 1,683,600.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,609.30 : 3,089,269.17 = 1,220,005.14 : x
  2. Step 2: Convert to fraction form
    2,238,609.30/3,089,269.17 = 1,220,005.14/x
  3. Step 3: Cross multiply
    2,238,609.30x = 3,089,269.17 × 1,220,005.14
  4. Step 4: Simplify right side
    2,238,609.30x = 3,768,924,266,243.53
  5. Step 5: Solve for x
    x = 3,768,924,266,243.53/2,238,609.30
  6. Step 6: Final answer
    x = 1,683,600.74

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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.