Home / 3,145,681.78-4,340,999.45-1,769,025.08

Finding the Fourth Proportional to 3,145,681.78, 4,340,999.45 and 1,769,025.08

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Solution

The fourth proportional to 3,145,681.78, 4,340,999.45 and 1,769,025.08 is: 2,441,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,681.78 : 4,340,999.45 = 1,769,025.08 : x
  2. Step 2: Convert to fraction form
    3,145,681.78/4,340,999.45 = 1,769,025.08/x
  3. Step 3: Cross multiply
    3,145,681.78x = 4,340,999.45 × 1,769,025.08
  4. Step 4: Simplify right side
    3,145,681.78x = 7,679,336,914,591.27
  5. Step 5: Solve for x
    x = 7,679,336,914,591.27/3,145,681.78
  6. Step 6: Final answer
    x = 2,441,231.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.