Finding the Fourth Proportional to 5,529,132.16, 7,630,237.73 and 3,081,898.33
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Solution
The fourth proportional to 5,529,132.16, 7,630,237.73 and 3,081,898.33 is: 4,253,039.40
Step by Step Solution
- Step 1: Write the proportion equation
5,529,132.16 : 7,630,237.73 = 3,081,898.33 : x - Step 2: Convert to fraction form
5,529,132.16/7,630,237.73 = 3,081,898.33/x - Step 3: Cross multiply
5,529,132.16x = 7,630,237.73 × 3,081,898.33 - Step 4: Simplify right side
5,529,132.16x = 23,515,616,906,219.14 - Step 5: Solve for x
x = 23,515,616,906,219.14/5,529,132.16 - Step 6: Final answer
x = 4,253,039.40
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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.