Finding the Fourth Proportional to 1,857,556.62, 2,561,054.98 and 1,203,026.10
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Solution
The fourth proportional to 1,857,556.62, 2,561,054.98 and 1,203,026.10 is: 1,658,639.07
Step by Step Solution
- Step 1: Write the proportion equation
1,857,556.62 : 2,561,054.98 = 1,203,026.10 : x - Step 2: Convert to fraction form
1,857,556.62/2,561,054.98 = 1,203,026.10/x - Step 3: Cross multiply
1,857,556.62x = 2,561,054.98 × 1,203,026.10 - Step 4: Simplify right side
1,857,556.62x = 3,081,015,984,474.98 - Step 5: Solve for x
x = 3,081,015,984,474.98/1,857,556.62 - Step 6: Final answer
x = 1,658,639.07
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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.