Home / 2,910,355.48-4,016,414.83-1,621,196.74

Finding the Fourth Proportional to 2,910,355.48, 4,016,414.83 and 1,621,196.74

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Solution

The fourth proportional to 2,910,355.48, 4,016,414.83 and 1,621,196.74 is: 2,237,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,355.48 : 4,016,414.83 = 1,621,196.74 : x
  2. Step 2: Convert to fraction form
    2,910,355.48/4,016,414.83 = 1,621,196.74/x
  3. Step 3: Cross multiply
    2,910,355.48x = 4,016,414.83 × 1,621,196.74
  4. Step 4: Simplify right side
    2,910,355.48x = 6,511,398,628,883.65
  5. Step 5: Solve for x
    x = 6,511,398,628,883.65/2,910,355.48
  6. Step 6: Final answer
    x = 2,237,320.72

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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.