Home / 1,931,447.80-2,897,171.70-936,119.80

Finding the Fourth Proportional to 1,931,447.80, 2,897,171.70 and 936,119.80

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Solution

The fourth proportional to 1,931,447.80, 2,897,171.70 and 936,119.80 is: 1,404,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,447.80 : 2,897,171.70 = 936,119.80 : x
  2. Step 2: Convert to fraction form
    1,931,447.80/2,897,171.70 = 936,119.80/x
  3. Step 3: Cross multiply
    1,931,447.80x = 2,897,171.70 × 936,119.80
  4. Step 4: Simplify right side
    1,931,447.80x = 2,712,099,792,369.66
  5. Step 5: Solve for x
    x = 2,712,099,792,369.66/1,931,447.80
  6. Step 6: Final answer
    x = 1,404,179.70

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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.