Home / 3,938,019.27-5,905,662.64-1,379,177.79

Finding the Fourth Proportional to 3,938,019.27, 5,905,662.64 and 1,379,177.79

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Solution

The fourth proportional to 3,938,019.27, 5,905,662.64 and 1,379,177.79 is: 2,068,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,019.27 : 5,905,662.64 = 1,379,177.79 : x
  2. Step 2: Convert to fraction form
    3,938,019.27/5,905,662.64 = 1,379,177.79/x
  3. Step 3: Cross multiply
    3,938,019.27x = 5,905,662.64 × 1,379,177.79
  4. Step 4: Simplify right side
    3,938,019.27x = 8,144,958,748,320.77
  5. Step 5: Solve for x
    x = 8,144,958,748,320.77/3,938,019.27
  6. Step 6: Final answer
    x = 2,068,288.19

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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.