Home / 3,019,202.82-4,166,404.74-1,642,511.21

Finding the Fourth Proportional to 3,019,202.82, 4,166,404.74 and 1,642,511.21

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Solution

The fourth proportional to 3,019,202.82, 4,166,404.74 and 1,642,511.21 is: 2,266,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,202.82 : 4,166,404.74 = 1,642,511.21 : x
  2. Step 2: Convert to fraction form
    3,019,202.82/4,166,404.74 = 1,642,511.21/x
  3. Step 3: Cross multiply
    3,019,202.82x = 4,166,404.74 × 1,642,511.21
  4. Step 4: Simplify right side
    3,019,202.82x = 6,843,366,470,015.11
  5. Step 5: Solve for x
    x = 6,843,366,470,015.11/3,019,202.82
  6. Step 6: Final answer
    x = 2,266,613.70

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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.