Home / 3,145,684.77-4,341,003.60-1,769,028.09

Finding the Fourth Proportional to 3,145,684.77, 4,341,003.60 and 1,769,028.09

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Solution

The fourth proportional to 3,145,684.77, 4,341,003.60 and 1,769,028.09 is: 2,441,235.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,684.77 : 4,341,003.60 = 1,769,028.09 : x
  2. Step 2: Convert to fraction form
    3,145,684.77/4,341,003.60 = 1,769,028.09/x
  3. Step 3: Cross multiply
    3,145,684.77x = 4,341,003.60 × 1,769,028.09
  4. Step 4: Simplify right side
    3,145,684.77x = 7,679,357,307,191.12
  5. Step 5: Solve for x
    x = 7,679,357,307,191.12/3,145,684.77
  6. Step 6: Final answer
    x = 2,441,235.49

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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.