Home / 2,638,191.12-3,957,439.77-744,774

Finding the Fourth Proportional to 2,638,191.12, 3,957,439.77 and 744,774

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Solution

The fourth proportional to 2,638,191.12, 3,957,439.77 and 744,774 is: 1,117,204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,191.12 : 3,957,439.77 = 744,774 : x
  2. Step 2: Convert to fraction form
    2,638,191.12/3,957,439.77 = 744,774/x
  3. Step 3: Cross multiply
    2,638,191.12x = 3,957,439.77 × 744,774
  4. Step 4: Simplify right side
    2,638,191.12x = 2,947,398,247,261.98
  5. Step 5: Solve for x
    x = 2,947,398,247,261.98/2,638,191.12
  6. Step 6: Final answer
    x = 1,117,204.22

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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.