Finding the Fourth Proportional to 3,798,969.84, 5,242,577.76 and 2,080,090.08
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Solution
The fourth proportional to 3,798,969.84, 5,242,577.76 and 2,080,090.08 is: 2,870,523.97
Step by Step Solution
- Step 1: Write the proportion equation
3,798,969.84 : 5,242,577.76 = 2,080,090.08 : x - Step 2: Convert to fraction form
3,798,969.84/5,242,577.76 = 2,080,090.08/x - Step 3: Cross multiply
3,798,969.84x = 5,242,577.76 × 2,080,090.08 - Step 4: Simplify right side
3,798,969.84x = 10,905,033,992,204.62 - Step 5: Solve for x
x = 10,905,033,992,204.62/3,798,969.84 - Step 6: Final answer
x = 2,870,523.97
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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.