Finding the Fourth Proportional to 1,721,276.62, 2,579,552.88 and 1,089,058.66
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Solution
The fourth proportional to 1,721,276.62, 2,579,552.88 and 1,089,058.66 is: 1,632,093.51
Step by Step Solution
- Step 1: Write the proportion equation
1,721,276.62 : 2,579,552.88 = 1,089,058.66 : x - Step 2: Convert to fraction form
1,721,276.62/2,579,552.88 = 1,089,058.66/x - Step 3: Cross multiply
1,721,276.62x = 2,579,552.88 × 1,089,058.66 - Step 4: Simplify right side
1,721,276.62x = 2,809,284,402,891.94 - Step 5: Solve for x
x = 2,809,284,402,891.94/1,721,276.62 - Step 6: Final answer
x = 1,632,093.51
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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.