Home / 2,239,113.82-3,089,977.16-1,220,518.56

Finding the Fourth Proportional to 2,239,113.82, 3,089,977.16 and 1,220,518.56

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Solution

The fourth proportional to 2,239,113.82, 3,089,977.16 and 1,220,518.56 is: 1,684,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,113.82 : 3,089,977.16 = 1,220,518.56 : x
  2. Step 2: Convert to fraction form
    2,239,113.82/3,089,977.16 = 1,220,518.56/x
  3. Step 3: Cross multiply
    2,239,113.82x = 3,089,977.16 × 1,220,518.56
  4. Step 4: Simplify right side
    2,239,113.82x = 3,771,374,473,756.09
  5. Step 5: Solve for x
    x = 3,771,374,473,756.09/2,239,113.82
  6. Step 6: Final answer
    x = 1,684,315.66

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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.