Home / 1,949,119.20-2,689,790.49-1,089,679.50

Finding the Fourth Proportional to 1,949,119.20, 2,689,790.49 and 1,089,679.50

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Solution

The fourth proportional to 1,949,119.20, 2,689,790.49 and 1,089,679.50 is: 1,503,761.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,119.20 : 2,689,790.49 = 1,089,679.50 : x
  2. Step 2: Convert to fraction form
    1,949,119.20/2,689,790.49 = 1,089,679.50/x
  3. Step 3: Cross multiply
    1,949,119.20x = 2,689,790.49 × 1,089,679.50
  4. Step 4: Simplify right side
    1,949,119.20x = 2,931,009,556,247.96
  5. Step 5: Solve for x
    x = 2,931,009,556,247.96/1,949,119.20
  6. Step 6: Final answer
    x = 1,503,761.06

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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.