Home / 3,178,620.28-4,770,926.88-1,158,816.34

Finding the Fourth Proportional to 3,178,620.28, 4,770,926.88 and 1,158,816.34

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Solution

The fourth proportional to 3,178,620.28, 4,770,926.88 and 1,158,816.34 is: 1,739,316.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,620.28 : 4,770,926.88 = 1,158,816.34 : x
  2. Step 2: Convert to fraction form
    3,178,620.28/4,770,926.88 = 1,158,816.34/x
  3. Step 3: Cross multiply
    3,178,620.28x = 4,770,926.88 × 1,158,816.34
  4. Step 4: Simplify right side
    3,178,620.28x = 5,528,628,025,489.22
  5. Step 5: Solve for x
    x = 5,528,628,025,489.22/3,178,620.28
  6. Step 6: Final answer
    x = 1,739,316.92

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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.