Finding the Fourth Proportional to 1,675,424.54, 2,511,387.20 and 821,313.56
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Solution
The fourth proportional to 1,675,424.54, 2,511,387.20 and 821,313.56 is: 1,231,112.66
Step by Step Solution
- Step 1: Write the proportion equation
1,675,424.54 : 2,511,387.20 = 821,313.56 : x - Step 2: Convert to fraction form
1,675,424.54/2,511,387.20 = 821,313.56/x - Step 3: Cross multiply
1,675,424.54x = 2,511,387.20 × 821,313.56 - Step 4: Simplify right side
1,675,424.54x = 2,062,636,353,088.06 - Step 5: Solve for x
x = 2,062,636,353,088.06/1,675,424.54 - Step 6: Final answer
x = 1,231,112.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.