Home / 2,727,376.70-4,090,179.31-1,287,837.41

Finding the Fourth Proportional to 2,727,376.70, 4,090,179.31 and 1,287,837.41

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Solution

The fourth proportional to 2,727,376.70, 4,090,179.31 and 1,287,837.41 is: 1,931,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727,376.70 : 4,090,179.31 = 1,287,837.41 : x
  2. Step 2: Convert to fraction form
    2,727,376.70/4,090,179.31 = 1,287,837.41/x
  3. Step 3: Cross multiply
    2,727,376.70x = 4,090,179.31 × 1,287,837.41
  4. Step 4: Simplify right side
    2,727,376.70x = 5,267,485,905,355.50
  5. Step 5: Solve for x
    x = 5,267,485,905,355.50/2,727,376.70
  6. Step 6: Final answer
    x = 1,931,337.87

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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.