Home / 3,938,224.71-5,905,204.74-1,776,723.78

Finding the Fourth Proportional to 3,938,224.71, 5,905,204.74 and 1,776,723.78

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Solution

The fourth proportional to 3,938,224.71, 5,905,204.74 and 1,776,723.78 is: 2,664,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,224.71 : 5,905,204.74 = 1,776,723.78 : x
  2. Step 2: Convert to fraction form
    3,938,224.71/5,905,204.74 = 1,776,723.78/x
  3. Step 3: Cross multiply
    3,938,224.71x = 5,905,204.74 × 1,776,723.78
  4. Step 4: Simplify right side
    3,938,224.71x = 10,491,917,687,326.72
  5. Step 5: Solve for x
    x = 10,491,917,687,326.72/3,938,224.71
  6. Step 6: Final answer
    x = 2,664,123.67

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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.