Home / 1,916,119.40-2,644,123.50-1,099,748.75

Finding the Fourth Proportional to 1,916,119.40, 2,644,123.50 and 1,099,748.75

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Solution

The fourth proportional to 1,916,119.40, 2,644,123.50 and 1,099,748.75 is: 1,517,583.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,119.40 : 2,644,123.50 = 1,099,748.75 : x
  2. Step 2: Convert to fraction form
    1,916,119.40/2,644,123.50 = 1,099,748.75/x
  3. Step 3: Cross multiply
    1,916,119.40x = 2,644,123.50 × 1,099,748.75
  4. Step 4: Simplify right side
    1,916,119.40x = 2,907,871,500,750.01
  5. Step 5: Solve for x
    x = 2,907,871,500,750.01/1,916,119.40
  6. Step 6: Final answer
    x = 1,517,583.67

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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.