Home / 3,218,649.60-4,441,810.56-1,768,435.52

Finding the Fourth Proportional to 3,218,649.60, 4,441,810.56 and 1,768,435.52

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Solution

The fourth proportional to 3,218,649.60, 4,441,810.56 and 1,768,435.52 is: 2,440,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,649.60 : 4,441,810.56 = 1,768,435.52 : x
  2. Step 2: Convert to fraction form
    3,218,649.60/4,441,810.56 = 1,768,435.52/x
  3. Step 3: Cross multiply
    3,218,649.60x = 4,441,810.56 × 1,768,435.52
  4. Step 4: Simplify right side
    3,218,649.60x = 7,855,055,567,415.09
  5. Step 5: Solve for x
    x = 7,855,055,567,415.09/3,218,649.60
  6. Step 6: Final answer
    x = 2,440,481.74

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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.