Home / 6,453,848.80-9,681,216.84-2,135,891.20

Finding the Fourth Proportional to 6,453,848.80, 9,681,216.84 and 2,135,891.20

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Solution

The fourth proportional to 6,453,848.80, 9,681,216.84 and 2,135,891.20 is: 3,203,983.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453,848.80 : 9,681,216.84 = 2,135,891.20 : x
  2. Step 2: Convert to fraction form
    6,453,848.80/9,681,216.84 = 2,135,891.20/x
  3. Step 3: Cross multiply
    6,453,848.80x = 9,681,216.84 × 2,135,891.20
  4. Step 4: Simplify right side
    6,453,848.80x = 20,678,025,853,847.81
  5. Step 5: Solve for x
    x = 20,678,025,853,847.81/6,453,848.80
  6. Step 6: Final answer
    x = 3,203,983.62

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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.