Finding the Fourth Proportional to 1,476,824.20, 2,038,019.21 and 797,760.70
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Solution
The fourth proportional to 1,476,824.20, 2,038,019.21 and 797,760.70 is: 1,100,910.75
Step by Step Solution
- Step 1: Write the proportion equation
1,476,824.20 : 2,038,019.21 = 797,760.70 : x - Step 2: Convert to fraction form
1,476,824.20/2,038,019.21 = 797,760.70/x - Step 3: Cross multiply
1,476,824.20x = 2,038,019.21 × 797,760.70 - Step 4: Simplify right side
1,476,824.20x = 1,625,851,631,583.05 - Step 5: Solve for x
x = 1,625,851,631,583.05/1,476,824.20 - Step 6: Final answer
x = 1,100,910.75
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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.