Finding the Fourth Proportional to 2,492,021, 3,438,990.26 and 1,346,101.32
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Solution
The fourth proportional to 2,492,021, 3,438,990.26 and 1,346,101.32 is: 1,857,620.51
Step by Step Solution
- Step 1: Write the proportion equation
2,492,021 : 3,438,990.26 = 1,346,101.32 : x - Step 2: Convert to fraction form
2,492,021/3,438,990.26 = 1,346,101.32/x - Step 3: Cross multiply
2,492,021x = 3,438,990.26 × 1,346,101.32 - Step 4: Simplify right side
2,492,021x = 4,629,229,328,453.14 - Step 5: Solve for x
x = 4,629,229,328,453.14/2,492,021 - Step 6: Final answer
x = 1,857,620.51
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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.