Home / 2,798,217.72-4,196,857.07-776,667.03

Finding the Fourth Proportional to 2,798,217.72, 4,196,857.07 and 776,667.03

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Solution

The fourth proportional to 2,798,217.72, 4,196,857.07 and 776,667.03 is: 1,164,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,217.72 : 4,196,857.07 = 776,667.03 : x
  2. Step 2: Convert to fraction form
    2,798,217.72/4,196,857.07 = 776,667.03/x
  3. Step 3: Cross multiply
    2,798,217.72x = 4,196,857.07 × 776,667.03
  4. Step 4: Simplify right side
    2,798,217.72x = 3,259,560,512,008.07
  5. Step 5: Solve for x
    x = 3,259,560,512,008.07/2,798,217.72
  6. Step 6: Final answer
    x = 1,164,870.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.