Home / 3,871,265-5,342,345.70-2,175,521

Finding the Fourth Proportional to 3,871,265, 5,342,345.70 and 2,175,521

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Solution

The fourth proportional to 3,871,265, 5,342,345.70 and 2,175,521 is: 3,002,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,265 : 5,342,345.70 = 2,175,521 : x
  2. Step 2: Convert to fraction form
    3,871,265/5,342,345.70 = 2,175,521/x
  3. Step 3: Cross multiply
    3,871,265x = 5,342,345.70 × 2,175,521
  4. Step 4: Simplify right side
    3,871,265x = 11,622,385,259,609.70
  5. Step 5: Solve for x
    x = 11,622,385,259,609.70/3,871,265
  6. Step 6: Final answer
    x = 3,002,218.98

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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.