Home / 1,570,033.72-2,166,640.41-881,609.86

Finding the Fourth Proportional to 1,570,033.72, 2,166,640.41 and 881,609.86

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Solution

The fourth proportional to 1,570,033.72, 2,166,640.41 and 881,609.86 is: 1,216,618.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,033.72 : 2,166,640.41 = 881,609.86 : x
  2. Step 2: Convert to fraction form
    1,570,033.72/2,166,640.41 = 881,609.86/x
  3. Step 3: Cross multiply
    1,570,033.72x = 2,166,640.41 × 881,609.86
  4. Step 4: Simplify right side
    1,570,033.72x = 1,910,131,548,530.44
  5. Step 5: Solve for x
    x = 1,910,131,548,530.44/1,570,033.72
  6. Step 6: Final answer
    x = 1,216,618.17

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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.