Home / 3,258,129.44-4,496,217.36-1,899,740

Finding the Fourth Proportional to 3,258,129.44, 4,496,217.36 and 1,899,740

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Solution

The fourth proportional to 3,258,129.44, 4,496,217.36 and 1,899,740 is: 2,621,640.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,129.44 : 4,496,217.36 = 1,899,740 : x
  2. Step 2: Convert to fraction form
    3,258,129.44/4,496,217.36 = 1,899,740/x
  3. Step 3: Cross multiply
    3,258,129.44x = 4,496,217.36 × 1,899,740
  4. Step 4: Simplify right side
    3,258,129.44x = 8,541,643,967,486.40
  5. Step 5: Solve for x
    x = 8,541,643,967,486.40/3,258,129.44
  6. Step 6: Final answer
    x = 2,621,640.46

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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.