Home / 3,270,315-4,512,990.62-1,820,010.05

Finding the Fourth Proportional to 3,270,315, 4,512,990.62 and 1,820,010.05

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Solution

The fourth proportional to 3,270,315, 4,512,990.62 and 1,820,010.05 is: 2,511,589.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270,315 : 4,512,990.62 = 1,820,010.05 : x
  2. Step 2: Convert to fraction form
    3,270,315/4,512,990.62 = 1,820,010.05/x
  3. Step 3: Cross multiply
    3,270,315x = 4,512,990.62 × 1,820,010.05
  4. Step 4: Simplify right side
    3,270,315x = 8,213,688,286,138.16
  5. Step 5: Solve for x
    x = 8,213,688,286,138.16/3,270,315
  6. Step 6: Final answer
    x = 2,511,589.34

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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.