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Finding the Fourth Proportional to 6,489,639.68, 9,733,715.84 and 1,697,791.36

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Solution

The fourth proportional to 6,489,639.68, 9,733,715.84 and 1,697,791.36 is: 2,546,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,489,639.68 : 9,733,715.84 = 1,697,791.36 : x
  2. Step 2: Convert to fraction form
    6,489,639.68/9,733,715.84 = 1,697,791.36/x
  3. Step 3: Cross multiply
    6,489,639.68x = 9,733,715.84 × 1,697,791.36
  4. Step 4: Simplify right side
    6,489,639.68x = 16,525,818,653,847.14
  5. Step 5: Solve for x
    x = 16,525,818,653,847.14/6,489,639.68
  6. Step 6: Final answer
    x = 2,546,492.48

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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.