Home / 3,428,285.40-5,142,778.02-1,184,131.80

Finding the Fourth Proportional to 3,428,285.40, 5,142,778.02 and 1,184,131.80

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Solution

The fourth proportional to 3,428,285.40, 5,142,778.02 and 1,184,131.80 is: 1,776,318.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,285.40 : 5,142,778.02 = 1,184,131.80 : x
  2. Step 2: Convert to fraction form
    3,428,285.40/5,142,778.02 = 1,184,131.80/x
  3. Step 3: Cross multiply
    3,428,285.40x = 5,142,778.02 × 1,184,131.80
  4. Step 4: Simplify right side
    3,428,285.40x = 6,089,726,993,823.04
  5. Step 5: Solve for x
    x = 6,089,726,993,823.04/3,428,285.40
  6. Step 6: Final answer
    x = 1,776,318.56

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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.