Home / 1,665,973.54-2,297,874.30-1,021,650.55

Finding the Fourth Proportional to 1,665,973.54, 2,297,874.30 and 1,021,650.55

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Solution

The fourth proportional to 1,665,973.54, 2,297,874.30 and 1,021,650.55 is: 1,409,160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,973.54 : 2,297,874.30 = 1,021,650.55 : x
  2. Step 2: Convert to fraction form
    1,665,973.54/2,297,874.30 = 1,021,650.55/x
  3. Step 3: Cross multiply
    1,665,973.54x = 2,297,874.30 × 1,021,650.55
  4. Step 4: Simplify right side
    1,665,973.54x = 2,347,624,542,425.86
  5. Step 5: Solve for x
    x = 2,347,624,542,425.86/1,665,973.54
  6. Step 6: Final answer
    x = 1,409,160.76

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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.