Finding the Fourth Proportional to 1,921,114.16, 2,882,168.97 and 1,021,815.68
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Solution
The fourth proportional to 1,921,114.16, 2,882,168.97 and 1,021,815.68 is: 1,532,988.26
Step by Step Solution
- Step 1: Write the proportion equation
1,921,114.16 : 2,882,168.97 = 1,021,815.68 : x - Step 2: Convert to fraction form
1,921,114.16/2,882,168.97 = 1,021,815.68/x - Step 3: Cross multiply
1,921,114.16x = 2,882,168.97 × 1,021,815.68 - Step 4: Simplify right side
1,921,114.16x = 2,945,045,445,955.45 - Step 5: Solve for x
x = 2,945,045,445,955.45/1,921,114.16 - Step 6: Final answer
x = 1,532,988.26
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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.