Home / 1,971,171.51-2,957,076.81-772,443.87

Finding the Fourth Proportional to 1,971,171.51, 2,957,076.81 and 772,443.87

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Solution

The fourth proportional to 1,971,171.51, 2,957,076.81 and 772,443.87 is: 1,158,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,171.51 : 2,957,076.81 = 772,443.87 : x
  2. Step 2: Convert to fraction form
    1,971,171.51/2,957,076.81 = 772,443.87/x
  3. Step 3: Cross multiply
    1,971,171.51x = 2,957,076.81 × 772,443.87
  4. Step 4: Simplify right side
    1,971,171.51x = 2,284,175,855,003.65
  5. Step 5: Solve for x
    x = 2,284,175,855,003.65/1,971,171.51
  6. Step 6: Final answer
    x = 1,158,791.03

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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.