Finding the Fourth Proportional to 3,113,844.64, 4,293,287.70 and 2,560,627
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Solution
The fourth proportional to 3,113,844.64, 4,293,287.70 and 2,560,627 is: 3,530,525.66
Step by Step Solution
- Step 1: Write the proportion equation
3,113,844.64 : 4,293,287.70 = 2,560,627 : x - Step 2: Convert to fraction form
3,113,844.64/4,293,287.70 = 2,560,627/x - Step 3: Cross multiply
3,113,844.64x = 4,293,287.70 × 2,560,627 - Step 4: Simplify right side
3,113,844.64x = 10,993,508,403,387.90 - Step 5: Solve for x
x = 10,993,508,403,387.90/3,113,844.64 - Step 6: Final answer
x = 3,530,525.66
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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.