Finding the Fourth Proportional to 1,419,072.36, 2,127,478.26 and 819,353.28
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Solution
The fourth proportional to 1,419,072.36, 2,127,478.26 and 819,353.28 is: 1,228,377.31
Step by Step Solution
- Step 1: Write the proportion equation
1,419,072.36 : 2,127,478.26 = 819,353.28 : x - Step 2: Convert to fraction form
1,419,072.36/2,127,478.26 = 819,353.28/x - Step 3: Cross multiply
1,419,072.36x = 2,127,478.26 × 819,353.28 - Step 4: Simplify right side
1,419,072.36x = 1,743,156,290,459.69 - Step 5: Solve for x
x = 1,743,156,290,459.69/1,419,072.36 - Step 6: Final answer
x = 1,228,377.31
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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.