Home / 3,517,086.40-5,272,873.44-1,388,763.58

Finding the Fourth Proportional to 3,517,086.40, 5,272,873.44 and 1,388,763.58

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Solution

The fourth proportional to 3,517,086.40, 5,272,873.44 and 1,388,763.58 is: 2,082,057.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517,086.40 : 5,272,873.44 = 1,388,763.58 : x
  2. Step 2: Convert to fraction form
    3,517,086.40/5,272,873.44 = 1,388,763.58/x
  3. Step 3: Cross multiply
    3,517,086.40x = 5,272,873.44 × 1,388,763.58
  4. Step 4: Simplify right side
    3,517,086.40x = 7,322,774,595,421.32
  5. Step 5: Solve for x
    x = 7,322,774,595,421.32/3,517,086.40
  6. Step 6: Final answer
    x = 2,082,057.07

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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.