Home / 3,762,028.12-5,191,918.98-2,130,725.69

Finding the Fourth Proportional to 3,762,028.12, 5,191,918.98 and 2,130,725.69

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Solution

The fourth proportional to 3,762,028.12, 5,191,918.98 and 2,130,725.69 is: 2,940,582.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762,028.12 : 5,191,918.98 = 2,130,725.69 : x
  2. Step 2: Convert to fraction form
    3,762,028.12/5,191,918.98 = 2,130,725.69/x
  3. Step 3: Cross multiply
    3,762,028.12x = 5,191,918.98 × 2,130,725.69
  4. Step 4: Simplify right side
    3,762,028.12x = 11,062,555,125,125.00
  5. Step 5: Solve for x
    x = 11,062,555,125,125.00/3,762,028.12
  6. Step 6: Final answer
    x = 2,940,582.78

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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.