Home / 2,238,583.50-3,089,267.10-1,220,010.12

Finding the Fourth Proportional to 2,238,583.50, 3,089,267.10 and 1,220,010.12

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Solution

The fourth proportional to 2,238,583.50, 3,089,267.10 and 1,220,010.12 is: 1,683,625.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,583.50 : 3,089,267.10 = 1,220,010.12 : x
  2. Step 2: Convert to fraction form
    2,238,583.50/3,089,267.10 = 1,220,010.12/x
  3. Step 3: Cross multiply
    2,238,583.50x = 3,089,267.10 × 1,220,010.12
  4. Step 4: Simplify right side
    2,238,583.50x = 3,768,937,125,383.05
  5. Step 5: Solve for x
    x = 3,768,937,125,383.05/2,238,583.50
  6. Step 6: Final answer
    x = 1,683,625.88

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1.5x scale

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.