Home / 3,940,905.03-5,438,448.99-2,130,069.03

Finding the Fourth Proportional to 3,940,905.03, 5,438,448.99 and 2,130,069.03

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Solution

The fourth proportional to 3,940,905.03, 5,438,448.99 and 2,130,069.03 is: 2,939,495.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,905.03 : 5,438,448.99 = 2,130,069.03 : x
  2. Step 2: Convert to fraction form
    3,940,905.03/5,438,448.99 = 2,130,069.03/x
  3. Step 3: Cross multiply
    3,940,905.03x = 5,438,448.99 × 2,130,069.03
  4. Step 4: Simplify right side
    3,940,905.03x = 11,584,271,764,833.78
  5. Step 5: Solve for x
    x = 11,584,271,764,833.78/3,940,905.03
  6. Step 6: Final answer
    x = 2,939,495.29

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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.