Home / 3,020,131.92-4,167,869.72-1,643,564.48

Finding the Fourth Proportional to 3,020,131.92, 4,167,869.72 and 1,643,564.48

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Solution

The fourth proportional to 3,020,131.92, 4,167,869.72 and 1,643,564.48 is: 2,268,166.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,131.92 : 4,167,869.72 = 1,643,564.48 : x
  2. Step 2: Convert to fraction form
    3,020,131.92/4,167,869.72 = 1,643,564.48/x
  3. Step 3: Cross multiply
    3,020,131.92x = 4,167,869.72 × 1,643,564.48
  4. Step 4: Simplify right side
    3,020,131.92x = 6,850,162,629,059.55
  5. Step 5: Solve for x
    x = 6,850,162,629,059.55/3,020,131.92
  6. Step 6: Final answer
    x = 2,268,166.69

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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.