Finding the Fourth Proportional to 2,129,513.37, 3,194,729.33 and 613,186.08
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Solution
The fourth proportional to 2,129,513.37, 3,194,729.33 and 613,186.08 is: 919,911.37
Step by Step Solution
- Step 1: Write the proportion equation
2,129,513.37 : 3,194,729.33 = 613,186.08 : x - Step 2: Convert to fraction form
2,129,513.37/3,194,729.33 = 613,186.08/x - Step 3: Cross multiply
2,129,513.37x = 3,194,729.33 × 613,186.08 - Step 4: Simplify right side
2,129,513.37x = 1,958,963,551,457.80 - Step 5: Solve for x
x = 1,958,963,551,457.80/2,129,513.37 - Step 6: Final answer
x = 919,911.37
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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.