Home / 2,731,278.74-3,769,164.88-1,507,584.57

Finding the Fourth Proportional to 2,731,278.74, 3,769,164.88 and 1,507,584.57

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Solution

The fourth proportional to 2,731,278.74, 3,769,164.88 and 1,507,584.57 is: 2,080,466.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,278.74 : 3,769,164.88 = 1,507,584.57 : x
  2. Step 2: Convert to fraction form
    2,731,278.74/3,769,164.88 = 1,507,584.57/x
  3. Step 3: Cross multiply
    2,731,278.74x = 3,769,164.88 × 1,507,584.57
  4. Step 4: Simplify right side
    2,731,278.74x = 5,682,334,820,527.85
  5. Step 5: Solve for x
    x = 5,682,334,820,527.85/2,731,278.74
  6. Step 6: Final answer
    x = 2,080,466.83

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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.