Home / 2,238,537.98-3,089,092.28-1,219,920.86

Finding the Fourth Proportional to 2,238,537.98, 3,089,092.28 and 1,219,920.86

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Solution

The fourth proportional to 2,238,537.98, 3,089,092.28 and 1,219,920.86 is: 1,683,441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,537.98 : 3,089,092.28 = 1,219,920.86 : x
  2. Step 2: Convert to fraction form
    2,238,537.98/3,089,092.28 = 1,219,920.86/x
  3. Step 3: Cross multiply
    2,238,537.98x = 3,089,092.28 × 1,219,920.86
  4. Step 4: Simplify right side
    2,238,537.98x = 3,768,448,110,836.96
  5. Step 5: Solve for x
    x = 3,768,448,110,836.96/2,238,537.98
  6. Step 6: Final answer
    x = 1,683,441.67

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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.