Home / 3,138,315.63-4,331,328.15-1,743,195.52

Finding the Fourth Proportional to 3,138,315.63, 4,331,328.15 and 1,743,195.52

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Solution

The fourth proportional to 3,138,315.63, 4,331,328.15 and 1,743,195.52 is: 2,405,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,315.63 : 4,331,328.15 = 1,743,195.52 : x
  2. Step 2: Convert to fraction form
    3,138,315.63/4,331,328.15 = 1,743,195.52/x
  3. Step 3: Cross multiply
    3,138,315.63x = 4,331,328.15 × 1,743,195.52
  4. Step 4: Simplify right side
    3,138,315.63x = 7,550,351,826,729.89
  5. Step 5: Solve for x
    x = 7,550,351,826,729.89/3,138,315.63
  6. Step 6: Final answer
    x = 2,405,861.21

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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.