Home / 5,379,743.20-8,071,040.40-2,345,807.20

Finding the Fourth Proportional to 5,379,743.20, 8,071,040.40 and 2,345,807.20

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Solution

The fourth proportional to 5,379,743.20, 8,071,040.40 and 2,345,807.20 is: 3,519,332.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379,743.20 : 8,071,040.40 = 2,345,807.20 : x
  2. Step 2: Convert to fraction form
    5,379,743.20/8,071,040.40 = 2,345,807.20/x
  3. Step 3: Cross multiply
    5,379,743.20x = 8,071,040.40 × 2,345,807.20
  4. Step 4: Simplify right side
    5,379,743.20x = 18,933,104,681,810.88
  5. Step 5: Solve for x
    x = 18,933,104,681,810.88/5,379,743.20
  6. Step 6: Final answer
    x = 3,519,332.42

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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.