Finding the Fourth Proportional to 5,194,308.09, 7,168,857.25 and 2,989,125.59
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Solution
The fourth proportional to 5,194,308.09, 7,168,857.25 and 2,989,125.59 is: 4,125,403.09
Step by Step Solution
- Step 1: Write the proportion equation
5,194,308.09 : 7,168,857.25 = 2,989,125.59 : x - Step 2: Convert to fraction form
5,194,308.09/7,168,857.25 = 2,989,125.59/x - Step 3: Cross multiply
5,194,308.09x = 7,168,857.25 × 2,989,125.59 - Step 4: Simplify right side
5,194,308.09x = 21,428,614,657,032.03 - Step 5: Solve for x
x = 21,428,614,657,032.03/5,194,308.09 - Step 6: Final answer
x = 4,125,403.09
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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.