Finding the Fourth Proportional to 1,509,888.44, 2,083,583.18 and 821,563
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Solution
The fourth proportional to 1,509,888.44, 2,083,583.18 and 821,563 is: 1,133,722.73
Step by Step Solution
- Step 1: Write the proportion equation
1,509,888.44 : 2,083,583.18 = 821,563 : x - Step 2: Convert to fraction form
1,509,888.44/2,083,583.18 = 821,563/x - Step 3: Cross multiply
1,509,888.44x = 2,083,583.18 × 821,563 - Step 4: Simplify right side
1,509,888.44x = 1,711,794,848,110.34 - Step 5: Solve for x
x = 1,711,794,848,110.34/1,509,888.44 - Step 6: Final answer
x = 1,133,722.73
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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.