Finding the Fourth Proportional to 1,993,124.10, 2,989,686.15 and 1,461,683.10
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Solution
The fourth proportional to 1,993,124.10, 2,989,686.15 and 1,461,683.10 is: 2,192,524.65
Step by Step Solution
- Step 1: Write the proportion equation
1,993,124.10 : 2,989,686.15 = 1,461,683.10 : x - Step 2: Convert to fraction form
1,993,124.10/2,989,686.15 = 1,461,683.10/x - Step 3: Cross multiply
1,993,124.10x = 2,989,686.15 × 1,461,683.10 - Step 4: Simplify right side
1,993,124.10x = 4,369,973,719,759.07 - Step 5: Solve for x
x = 4,369,973,719,759.07/1,993,124.10 - Step 6: Final answer
x = 2,192,524.65
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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.