Finding the Fourth Proportional to 1,988,722.44, 2,744,348.42 and 1,161,872.64
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Solution
The fourth proportional to 1,988,722.44, 2,744,348.42 and 1,161,872.64 is: 1,603,332.51
Step by Step Solution
- Step 1: Write the proportion equation
1,988,722.44 : 2,744,348.42 = 1,161,872.64 : x - Step 2: Convert to fraction form
1,988,722.44/2,744,348.42 = 1,161,872.64/x - Step 3: Cross multiply
1,988,722.44x = 2,744,348.42 × 1,161,872.64 - Step 4: Simplify right side
1,988,722.44x = 3,188,583,343,825.23 - Step 5: Solve for x
x = 3,188,583,343,825.23/1,988,722.44 - Step 6: Final answer
x = 1,603,332.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.