Finding the Fourth Proportional to 5,405,129.60, 7,459,078.52 and 2,957,740.94
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Solution
The fourth proportional to 5,405,129.60, 7,459,078.52 and 2,957,740.94 is: 4,081,682.31
Step by Step Solution
- Step 1: Write the proportion equation
5,405,129.60 : 7,459,078.52 = 2,957,740.94 : x - Step 2: Convert to fraction form
5,405,129.60/7,459,078.52 = 2,957,740.94/x - Step 3: Cross multiply
5,405,129.60x = 7,459,078.52 × 2,957,740.94 - Step 4: Simplify right side
5,405,129.60x = 22,062,021,861,194.51 - Step 5: Solve for x
x = 22,062,021,861,194.51/5,405,129.60 - Step 6: Final answer
x = 4,081,682.31
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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.