Home / 2,908,692.23-4,362,874.25-1,288,994.56

Finding the Fourth Proportional to 2,908,692.23, 4,362,874.25 and 1,288,994.56

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Solution

The fourth proportional to 2,908,692.23, 4,362,874.25 and 1,288,994.56 is: 1,933,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908,692.23 : 4,362,874.25 = 1,288,994.56 : x
  2. Step 2: Convert to fraction form
    2,908,692.23/4,362,874.25 = 1,288,994.56/x
  3. Step 3: Cross multiply
    2,908,692.23x = 4,362,874.25 × 1,288,994.56
  4. Step 4: Simplify right side
    2,908,692.23x = 5,623,721,181,403.09
  5. Step 5: Solve for x
    x = 5,623,721,181,403.09/2,908,692.23
  6. Step 6: Final answer
    x = 1,933,419.12

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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.