Home / 4,987,173.38-6,882,421.16-2,782,020.51

Finding the Fourth Proportional to 4,987,173.38, 6,882,421.16 and 2,782,020.51

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Solution

The fourth proportional to 4,987,173.38, 6,882,421.16 and 2,782,020.51 is: 3,839,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987,173.38 : 6,882,421.16 = 2,782,020.51 : x
  2. Step 2: Convert to fraction form
    4,987,173.38/6,882,421.16 = 2,782,020.51/x
  3. Step 3: Cross multiply
    4,987,173.38x = 6,882,421.16 × 2,782,020.51
  4. Step 4: Simplify right side
    4,987,173.38x = 19,147,036,811,667.89
  5. Step 5: Solve for x
    x = 19,147,036,811,667.89/4,987,173.38
  6. Step 6: Final answer
    x = 3,839,256.30

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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.