Finding the Fourth Proportional to 2,809,296.13, 4,212,334.64 and 863,517.97
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Solution
The fourth proportional to 2,809,296.13, 4,212,334.64 and 863,517.97 is: 1,294,782.21
Step by Step Solution
- Step 1: Write the proportion equation
2,809,296.13 : 4,212,334.64 = 863,517.97 : x - Step 2: Convert to fraction form
2,809,296.13/4,212,334.64 = 863,517.97/x - Step 3: Cross multiply
2,809,296.13x = 4,212,334.64 × 863,517.97 - Step 4: Simplify right side
2,809,296.13x = 3,637,426,652,975.89 - Step 5: Solve for x
x = 3,637,426,652,975.89/2,809,296.13 - Step 6: Final answer
x = 1,294,782.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.