Home / 1,926,566.97-2,889,857.29-647,137.85

Finding the Fourth Proportional to 1,926,566.97, 2,889,857.29 and 647,137.85

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Solution

The fourth proportional to 1,926,566.97, 2,889,857.29 and 647,137.85 is: 970,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,566.97 : 2,889,857.29 = 647,137.85 : x
  2. Step 2: Convert to fraction form
    1,926,566.97/2,889,857.29 = 647,137.85/x
  3. Step 3: Cross multiply
    1,926,566.97x = 2,889,857.29 × 647,137.85
  4. Step 4: Simplify right side
    1,926,566.97x = 1,870,136,033,457.43
  5. Step 5: Solve for x
    x = 1,870,136,033,457.43/1,926,566.97
  6. Step 6: Final answer
    x = 970,709.07

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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.