Finding the Fourth Proportional to 1,590,858.63, 2,195,431.49 and 865,753.31
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Solution
The fourth proportional to 1,590,858.63, 2,195,431.49 and 865,753.31 is: 1,194,764.92
Step by Step Solution
- Step 1: Write the proportion equation
1,590,858.63 : 2,195,431.49 = 865,753.31 : x - Step 2: Convert to fraction form
1,590,858.63/2,195,431.49 = 865,753.31/x - Step 3: Cross multiply
1,590,858.63x = 2,195,431.49 × 865,753.31 - Step 4: Simplify right side
1,590,858.63x = 1,900,702,086,998.69 - Step 5: Solve for x
x = 1,900,702,086,998.69/1,590,858.63 - Step 6: Final answer
x = 1,194,764.92
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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.