Finding the Fourth Proportional to 1,430,615.82, 1,974,243.84 and 786,034.02
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Solution
The fourth proportional to 1,430,615.82, 1,974,243.84 and 786,034.02 is: 1,084,723.66
Step by Step Solution
- Step 1: Write the proportion equation
1,430,615.82 : 1,974,243.84 = 786,034.02 : x - Step 2: Convert to fraction form
1,430,615.82/1,974,243.84 = 786,034.02/x - Step 3: Cross multiply
1,430,615.82x = 1,974,243.84 × 786,034.02 - Step 4: Simplify right side
1,430,615.82x = 1,551,822,822,015.44 - Step 5: Solve for x
x = 1,551,822,822,015.44/1,430,615.82 - Step 6: Final answer
x = 1,084,723.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.