Home / 1,899,891.82-2,850,133.02-638,014.69

Finding the Fourth Proportional to 1,899,891.82, 2,850,133.02 and 638,014.69

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Solution

The fourth proportional to 1,899,891.82, 2,850,133.02 and 638,014.69 is: 957,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,891.82 : 2,850,133.02 = 638,014.69 : x
  2. Step 2: Convert to fraction form
    1,899,891.82/2,850,133.02 = 638,014.69/x
  3. Step 3: Cross multiply
    1,899,891.82x = 2,850,133.02 × 638,014.69
  4. Step 4: Simplify right side
    1,899,891.82x = 1,818,426,735,214.06
  5. Step 5: Solve for x
    x = 1,818,426,735,214.06/1,899,891.82
  6. Step 6: Final answer
    x = 957,121.20

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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.