Finding the Fourth Proportional to 2,095,198.62, 2,891,393.17 and 1,268,291.18
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Solution
The fourth proportional to 2,095,198.62, 2,891,393.17 and 1,268,291.18 is: 1,750,253.38
Step by Step Solution
- Step 1: Write the proportion equation
2,095,198.62 : 2,891,393.17 = 1,268,291.18 : x - Step 2: Convert to fraction form
2,095,198.62/2,891,393.17 = 1,268,291.18/x - Step 3: Cross multiply
2,095,198.62x = 2,891,393.17 × 1,268,291.18 - Step 4: Simplify right side
2,095,198.62x = 3,667,128,459,481.00 - Step 5: Solve for x
x = 3,667,128,459,481.00/2,095,198.62 - Step 6: Final answer
x = 1,750,253.38
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1.5x scale
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.