Home / 3,100,513.73-4,278,758.69-1,705,130.51

Finding the Fourth Proportional to 3,100,513.73, 4,278,758.69 and 1,705,130.51

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Solution

The fourth proportional to 3,100,513.73, 4,278,758.69 and 1,705,130.51 is: 2,353,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,513.73 : 4,278,758.69 = 1,705,130.51 : x
  2. Step 2: Convert to fraction form
    3,100,513.73/4,278,758.69 = 1,705,130.51/x
  3. Step 3: Cross multiply
    3,100,513.73x = 4,278,758.69 × 1,705,130.51
  4. Step 4: Simplify right side
    3,100,513.73x = 7,295,841,978,530.04
  5. Step 5: Solve for x
    x = 7,295,841,978,530.04/3,100,513.73
  6. Step 6: Final answer
    x = 2,353,107.45

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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.