Finding the Fourth Proportional to 2,261,955, 3,121,497.90 and 1,295,405.09
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Solution
The fourth proportional to 2,261,955, 3,121,497.90 and 1,295,405.09 is: 1,787,659.02
Step by Step Solution
- Step 1: Write the proportion equation
2,261,955 : 3,121,497.90 = 1,295,405.09 : x - Step 2: Convert to fraction form
2,261,955/3,121,497.90 = 1,295,405.09/x - Step 3: Cross multiply
2,261,955x = 3,121,497.90 × 1,295,405.09 - Step 4: Simplify right side
2,261,955x = 4,043,604,252,476.82 - Step 5: Solve for x
x = 4,043,604,252,476.82/2,261,955 - Step 6: Final answer
x = 1,787,659.02
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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.