Home / 7,179,561.40-10,769,342.10-2,630,601.40

Finding the Fourth Proportional to 7,179,561.40, 10,769,342.10 and 2,630,601.40

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Solution

The fourth proportional to 7,179,561.40, 10,769,342.10 and 2,630,601.40 is: 3,945,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,561.40 : 10,769,342.10 = 2,630,601.40 : x
  2. Step 2: Convert to fraction form
    7,179,561.40/10,769,342.10 = 2,630,601.40/x
  3. Step 3: Cross multiply
    7,179,561.40x = 10,769,342.10 × 2,630,601.40
  4. Step 4: Simplify right side
    7,179,561.40x = 28,329,846,405,338.94
  5. Step 5: Solve for x
    x = 28,329,846,405,338.94/7,179,561.40
  6. Step 6: Final answer
    x = 3,945,902.10

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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.