Finding the Fourth Proportional to 2,716,524.40, 3,744,058.44 and 1,989,827.68
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Solution
The fourth proportional to 2,716,524.40, 3,744,058.44 and 1,989,827.68 is: 2,742,486.36
Step by Step Solution
- Step 1: Write the proportion equation
2,716,524.40 : 3,744,058.44 = 1,989,827.68 : x - Step 2: Convert to fraction form
2,716,524.40/3,744,058.44 = 1,989,827.68/x - Step 3: Cross multiply
2,716,524.40x = 3,744,058.44 × 1,989,827.68 - Step 4: Simplify right side
2,716,524.40x = 7,450,031,119,449.62 - Step 5: Solve for x
x = 7,450,031,119,449.62/2,716,524.40 - Step 6: Final answer
x = 2,742,486.36
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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.