Home / 3,120,191.06-4,305,872.59-1,743,586.64

Finding the Fourth Proportional to 3,120,191.06, 4,305,872.59 and 1,743,586.64

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Solution

The fourth proportional to 3,120,191.06, 4,305,872.59 and 1,743,586.64 is: 2,406,154.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,191.06 : 4,305,872.59 = 1,743,586.64 : x
  2. Step 2: Convert to fraction form
    3,120,191.06/4,305,872.59 = 1,743,586.64/x
  3. Step 3: Cross multiply
    3,120,191.06x = 4,305,872.59 × 1,743,586.64
  4. Step 4: Simplify right side
    3,120,191.06x = 7,507,661,911,724.89
  5. Step 5: Solve for x
    x = 7,507,661,911,724.89/3,120,191.06
  6. Step 6: Final answer
    x = 2,406,154.55

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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.