Finding the Fourth Proportional to 5,517,417.42, 8,270,758.53 and 2,638,035.90
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Solution
The fourth proportional to 5,517,417.42, 8,270,758.53 and 2,638,035.90 is: 3,954,487.45
Step by Step Solution
- Step 1: Write the proportion equation
5,517,417.42 : 8,270,758.53 = 2,638,035.90 : x - Step 2: Convert to fraction form
5,517,417.42/8,270,758.53 = 2,638,035.90/x - Step 3: Cross multiply
5,517,417.42x = 8,270,758.53 × 2,638,035.90 - Step 4: Simplify right side
5,517,417.42x = 21,818,557,922,371.23 - Step 5: Solve for x
x = 21,818,557,922,371.23/5,517,417.42 - Step 6: Final answer
x = 3,954,487.45
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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.