Home / 3,416,519.37-5,128,325.03-1,980,009.44

Finding the Fourth Proportional to 3,416,519.37, 5,128,325.03 and 1,980,009.44

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Solution

The fourth proportional to 3,416,519.37, 5,128,325.03 and 1,980,009.44 is: 2,972,069.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416,519.37 : 5,128,325.03 = 1,980,009.44 : x
  2. Step 2: Convert to fraction form
    3,416,519.37/5,128,325.03 = 1,980,009.44/x
  3. Step 3: Cross multiply
    3,416,519.37x = 5,128,325.03 × 1,980,009.44
  4. Step 4: Simplify right side
    3,416,519.37x = 10,154,131,970,788.28
  5. Step 5: Solve for x
    x = 10,154,131,970,788.28/3,416,519.37
  6. Step 6: Final answer
    x = 2,972,069.19

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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.