Home / 5,642,603.13-7,789,175.01-3,809,543.43

Finding the Fourth Proportional to 5,642,603.13, 7,789,175.01 and 3,809,543.43

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Solution

The fourth proportional to 5,642,603.13, 7,789,175.01 and 3,809,543.43 is: 5,258,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642,603.13 : 7,789,175.01 = 3,809,543.43 : x
  2. Step 2: Convert to fraction form
    5,642,603.13/7,789,175.01 = 3,809,543.43/x
  3. Step 3: Cross multiply
    5,642,603.13x = 7,789,175.01 × 3,809,543.43
  4. Step 4: Simplify right side
    5,642,603.13x = 29,673,200,484,465.68
  5. Step 5: Solve for x
    x = 29,673,200,484,465.68/5,642,603.13
  6. Step 6: Final answer
    x = 5,258,778.58

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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.