Home / 2,628,416.62-3,943,110.93-831,752.38

Finding the Fourth Proportional to 2,628,416.62, 3,943,110.93 and 831,752.38

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Solution

The fourth proportional to 2,628,416.62, 3,943,110.93 and 831,752.38 is: 1,247,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,416.62 : 3,943,110.93 = 831,752.38 : x
  2. Step 2: Convert to fraction form
    2,628,416.62/3,943,110.93 = 831,752.38/x
  3. Step 3: Cross multiply
    2,628,416.62x = 3,943,110.93 × 831,752.38
  4. Step 4: Simplify right side
    2,628,416.62x = 3,279,691,900,631.51
  5. Step 5: Solve for x
    x = 3,279,691,900,631.51/2,628,416.62
  6. Step 6: Final answer
    x = 1,247,782.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.