Home / 3,181,954.17-4,391,196.34-1,805,355.82

Finding the Fourth Proportional to 3,181,954.17, 4,391,196.34 and 1,805,355.82

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Solution

The fourth proportional to 3,181,954.17, 4,391,196.34 and 1,805,355.82 is: 2,491,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,954.17 : 4,391,196.34 = 1,805,355.82 : x
  2. Step 2: Convert to fraction form
    3,181,954.17/4,391,196.34 = 1,805,355.82/x
  3. Step 3: Cross multiply
    3,181,954.17x = 4,391,196.34 × 1,805,355.82
  4. Step 4: Simplify right side
    3,181,954.17x = 7,927,671,869,181.70
  5. Step 5: Solve for x
    x = 7,927,671,869,181.70/3,181,954.17
  6. Step 6: Final answer
    x = 2,491,447.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.