Finding the Fourth Proportional to 5,928,388.14, 8,181,180.99 and 3,212,134.14
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Solution
The fourth proportional to 5,928,388.14, 8,181,180.99 and 3,212,134.14 is: 4,432,748.02
Step by Step Solution
- Step 1: Write the proportion equation
5,928,388.14 : 8,181,180.99 = 3,212,134.14 : x - Step 2: Convert to fraction form
5,928,388.14/8,181,180.99 = 3,212,134.14/x - Step 3: Cross multiply
5,928,388.14x = 8,181,180.99 × 3,212,134.14 - Step 4: Simplify right side
5,928,388.14x = 26,279,050,763,498 - Step 5: Solve for x
x = 26,279,050,763,498/5,928,388.14 - Step 6: Final answer
x = 4,432,748.02
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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.