Home / 2,419,718.40-3,629,577.60-646,790.40

Finding the Fourth Proportional to 2,419,718.40, 3,629,577.60 and 646,790.40

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Solution

The fourth proportional to 2,419,718.40, 3,629,577.60 and 646,790.40 is: 970,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419,718.40 : 3,629,577.60 = 646,790.40 : x
  2. Step 2: Convert to fraction form
    2,419,718.40/3,629,577.60 = 646,790.40/x
  3. Step 3: Cross multiply
    2,419,718.40x = 3,629,577.60 × 646,790.40
  4. Step 4: Simplify right side
    2,419,718.40x = 2,347,575,947,735.04
  5. Step 5: Solve for x
    x = 2,347,575,947,735.04/2,419,718.40
  6. Step 6: Final answer
    x = 970,185.60

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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.