Home / 2,182,420.78-3,011,975.58-1,202,458.32

Finding the Fourth Proportional to 2,182,420.78, 3,011,975.58 and 1,202,458.32

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Solution

The fourth proportional to 2,182,420.78, 3,011,975.58 and 1,202,458.32 is: 1,659,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,420.78 : 3,011,975.58 = 1,202,458.32 : x
  2. Step 2: Convert to fraction form
    2,182,420.78/3,011,975.58 = 1,202,458.32/x
  3. Step 3: Cross multiply
    2,182,420.78x = 3,011,975.58 × 1,202,458.32
  4. Step 4: Simplify right side
    2,182,420.78x = 3,621,775,100,317.05
  5. Step 5: Solve for x
    x = 3,621,775,100,317.05/2,182,420.78
  6. Step 6: Final answer
    x = 1,659,521.91

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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.