Finding the Fourth Proportional to 5,529,119.52, 7,630,220.35 and 3,081,885.73
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Solution
The fourth proportional to 5,529,119.52, 7,630,220.35 and 3,081,885.73 is: 4,253,022.05
Step by Step Solution
- Step 1: Write the proportion equation
5,529,119.52 : 7,630,220.35 = 3,081,885.73 : x - Step 2: Convert to fraction form
5,529,119.52/7,630,220.35 = 3,081,885.73/x - Step 3: Cross multiply
5,529,119.52x = 7,630,220.35 × 3,081,885.73 - Step 4: Simplify right side
5,529,119.52x = 23,515,467,251,848.54 - Step 5: Solve for x
x = 23,515,467,251,848.54/5,529,119.52 - Step 6: Final answer
x = 4,253,022.05
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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.