Home / 2,726,485.40-4,089,728.10-807,465.80

Finding the Fourth Proportional to 2,726,485.40, 4,089,728.10 and 807,465.80

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Solution

The fourth proportional to 2,726,485.40, 4,089,728.10 and 807,465.80 is: 1,211,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726,485.40 : 4,089,728.10 = 807,465.80 : x
  2. Step 2: Convert to fraction form
    2,726,485.40/4,089,728.10 = 807,465.80/x
  3. Step 3: Cross multiply
    2,726,485.40x = 4,089,728.10 × 807,465.80
  4. Step 4: Simplify right side
    2,726,485.40x = 3,302,315,572,048.98
  5. Step 5: Solve for x
    x = 3,302,315,572,048.98/2,726,485.40
  6. Step 6: Final answer
    x = 1,211,198.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.