Finding the Fourth Proportional to 3,689,612.48, 5,091,893.29 and 2,035,751.48
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Solution
The fourth proportional to 3,689,612.48, 5,091,893.29 and 2,035,751.48 is: 2,809,462.88
Step by Step Solution
- Step 1: Write the proportion equation
3,689,612.48 : 5,091,893.29 = 2,035,751.48 : x - Step 2: Convert to fraction form
3,689,612.48/5,091,893.29 = 2,035,751.48/x - Step 3: Cross multiply
3,689,612.48x = 5,091,893.29 × 2,035,751.48 - Step 4: Simplify right side
3,689,612.48x = 10,365,829,301,119.57 - Step 5: Solve for x
x = 10,365,829,301,119.57/3,689,612.48 - Step 6: Final answer
x = 2,809,462.88
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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.