Home / 3,939,629.60-5,907,716.40-1,809,005.60

Finding the Fourth Proportional to 3,939,629.60, 5,907,716.40 and 1,809,005.60

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Solution

The fourth proportional to 3,939,629.60, 5,907,716.40 and 1,809,005.60 is: 2,712,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,629.60 : 5,907,716.40 = 1,809,005.60 : x
  2. Step 2: Convert to fraction form
    3,939,629.60/5,907,716.40 = 1,809,005.60/x
  3. Step 3: Cross multiply
    3,939,629.60x = 5,907,716.40 × 1,809,005.60
  4. Step 4: Simplify right side
    3,939,629.60x = 10,687,092,050,811.84
  5. Step 5: Solve for x
    x = 10,687,092,050,811.84/3,939,629.60
  6. Step 6: Final answer
    x = 2,712,714.93

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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.