Finding the Fourth Proportional to 5,405,282.16, 7,459,289.94 and 2,957,893.70
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Solution
The fourth proportional to 5,405,282.16, 7,459,289.94 and 2,957,893.70 is: 4,081,893.61
Step by Step Solution
- Step 1: Write the proportion equation
5,405,282.16 : 7,459,289.94 = 2,957,893.70 : x - Step 2: Convert to fraction form
5,405,282.16/7,459,289.94 = 2,957,893.70/x - Step 3: Cross multiply
5,405,282.16x = 7,459,289.94 × 2,957,893.70 - Step 4: Simplify right side
5,405,282.16x = 22,063,786,719,999.38 - Step 5: Solve for x
x = 22,063,786,719,999.38/5,405,282.16 - Step 6: Final answer
x = 4,081,893.61
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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.