Home / 2,238,963-3,089,771.10-1,220,371.80

Finding the Fourth Proportional to 2,238,963, 3,089,771.10 and 1,220,371.80

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Solution

The fourth proportional to 2,238,963, 3,089,771.10 and 1,220,371.80 is: 1,684,114.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,963 : 3,089,771.10 = 1,220,371.80 : x
  2. Step 2: Convert to fraction form
    2,238,963/3,089,771.10 = 1,220,371.80/x
  3. Step 3: Cross multiply
    2,238,963x = 3,089,771.10 × 1,220,371.80
  4. Step 4: Simplify right side
    2,238,963x = 3,770,669,518,894.98
  5. Step 5: Solve for x
    x = 3,770,669,518,894.98/2,238,963
  6. Step 6: Final answer
    x = 1,684,114.26

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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.