Home / 6,979,621.50-9,631,739.55-3,882,078.19

Finding the Fourth Proportional to 6,979,621.50, 9,631,739.55 and 3,882,078.19

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Solution

The fourth proportional to 6,979,621.50, 9,631,739.55 and 3,882,078.19 is: 5,357,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979,621.50 : 9,631,739.55 = 3,882,078.19 : x
  2. Step 2: Convert to fraction form
    6,979,621.50/9,631,739.55 = 3,882,078.19/x
  3. Step 3: Cross multiply
    6,979,621.50x = 9,631,739.55 × 3,882,078.19
  4. Step 4: Simplify right side
    6,979,621.50x = 37,391,166,038,815.41
  5. Step 5: Solve for x
    x = 37,391,166,038,815.41/6,979,621.50
  6. Step 6: Final answer
    x = 5,357,191.08

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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.