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Finding the Fourth Proportional to 3,778,881, 5,668,325.64 and 938,993.16

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Solution

The fourth proportional to 3,778,881, 5,668,325.64 and 938,993.16 is: 1,408,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,881 : 5,668,325.64 = 938,993.16 : x
  2. Step 2: Convert to fraction form
    3,778,881/5,668,325.64 = 938,993.16/x
  3. Step 3: Cross multiply
    3,778,881x = 5,668,325.64 × 938,993.16
  4. Step 4: Simplify right side
    3,778,881x = 5,322,519,004,612.62
  5. Step 5: Solve for x
    x = 5,322,519,004,612.62/3,778,881
  6. Step 6: Final answer
    x = 1,408,490.77

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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.