Finding the Fourth Proportional to 1,221,375.03, 1,831,176.80 and 821,022.81
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Solution
The fourth proportional to 1,221,375.03, 1,831,176.80 and 821,022.81 is: 1,230,938.81
Step by Step Solution
- Step 1: Write the proportion equation
1,221,375.03 : 1,831,176.80 = 821,022.81 : x - Step 2: Convert to fraction form
1,221,375.03/1,831,176.80 = 821,022.81/x - Step 3: Cross multiply
1,221,375.03x = 1,831,176.80 × 821,022.81 - Step 4: Simplify right side
1,221,375.03x = 1,503,437,921,942.81 - Step 5: Solve for x
x = 1,503,437,921,942.81/1,221,375.03 - Step 6: Final answer
x = 1,230,938.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.