Home / 3,221,507.03-4,445,416.73-1,896,721.64

Finding the Fourth Proportional to 3,221,507.03, 4,445,416.73 and 1,896,721.64

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Solution

The fourth proportional to 3,221,507.03, 4,445,416.73 and 1,896,721.64 is: 2,617,321.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,507.03 : 4,445,416.73 = 1,896,721.64 : x
  2. Step 2: Convert to fraction form
    3,221,507.03/4,445,416.73 = 1,896,721.64/x
  3. Step 3: Cross multiply
    3,221,507.03x = 4,445,416.73 × 1,896,721.64
  4. Step 4: Simplify right side
    3,221,507.03x = 8,431,718,078,898.35
  5. Step 5: Solve for x
    x = 8,431,718,078,898.35/3,221,507.03
  6. Step 6: Final answer
    x = 2,617,321.03

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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.