Home / 2,238,628.77-3,089,318.12-1,271,812.11

Finding the Fourth Proportional to 2,238,628.77, 3,089,318.12 and 1,271,812.11

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Solution

The fourth proportional to 2,238,628.77, 3,089,318.12 and 1,271,812.11 is: 1,755,106.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,628.77 : 3,089,318.12 = 1,271,812.11 : x
  2. Step 2: Convert to fraction form
    2,238,628.77/3,089,318.12 = 1,271,812.11/x
  3. Step 3: Cross multiply
    2,238,628.77x = 3,089,318.12 × 1,271,812.11
  4. Step 4: Simplify right side
    2,238,628.77x = 3,929,032,190,299.37
  5. Step 5: Solve for x
    x = 3,929,032,190,299.37/2,238,628.77
  6. Step 6: Final answer
    x = 1,755,106.63

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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.