Home / 3,169,111.80-4,753,667.70-1,274,878.20

Finding the Fourth Proportional to 3,169,111.80, 4,753,667.70 and 1,274,878.20

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Solution

The fourth proportional to 3,169,111.80, 4,753,667.70 and 1,274,878.20 is: 1,912,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169,111.80 : 4,753,667.70 = 1,274,878.20 : x
  2. Step 2: Convert to fraction form
    3,169,111.80/4,753,667.70 = 1,274,878.20/x
  3. Step 3: Cross multiply
    3,169,111.80x = 4,753,667.70 × 1,274,878.20
  4. Step 4: Simplify right side
    3,169,111.80x = 6,060,347,320,774.14
  5. Step 5: Solve for x
    x = 6,060,347,320,774.14/3,169,111.80
  6. Step 6: Final answer
    x = 1,912,317.30

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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.