Home / 2,720,004.30-4,078,840.05-1,371,645.90

Finding the Fourth Proportional to 2,720,004.30, 4,078,840.05 and 1,371,645.90

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Solution

The fourth proportional to 2,720,004.30, 4,078,840.05 and 1,371,645.90 is: 2,056,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,004.30 : 4,078,840.05 = 1,371,645.90 : x
  2. Step 2: Convert to fraction form
    2,720,004.30/4,078,840.05 = 1,371,645.90/x
  3. Step 3: Cross multiply
    2,720,004.30x = 4,078,840.05 × 1,371,645.90
  4. Step 4: Simplify right side
    2,720,004.30x = 5,594,724,231,338.29
  5. Step 5: Solve for x
    x = 5,594,724,231,338.29/2,720,004.30
  6. Step 6: Final answer
    x = 2,056,880.66

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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.