Home / 6,538,807.20-9,808,997.76-2,162,095.20

Finding the Fourth Proportional to 6,538,807.20, 9,808,997.76 and 2,162,095.20

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Solution

The fourth proportional to 6,538,807.20, 9,808,997.76 and 2,162,095.20 is: 3,243,403.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,538,807.20 : 9,808,997.76 = 2,162,095.20 : x
  2. Step 2: Convert to fraction form
    6,538,807.20/9,808,997.76 = 2,162,095.20/x
  3. Step 3: Cross multiply
    6,538,807.20x = 9,808,997.76 × 2,162,095.20
  4. Step 4: Simplify right side
    6,538,807.20x = 21,207,986,973,706.75
  5. Step 5: Solve for x
    x = 21,207,986,973,706.75/6,538,807.20
  6. Step 6: Final answer
    x = 3,243,403.01

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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.