Finding the Fourth Proportional to 3,608,186.76, 4,979,299.74 and 1,976,653.17
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Solution
The fourth proportional to 3,608,186.76, 4,979,299.74 and 1,976,653.17 is: 2,727,782.48
Step by Step Solution
- Step 1: Write the proportion equation
3,608,186.76 : 4,979,299.74 = 1,976,653.17 : x - Step 2: Convert to fraction form
3,608,186.76/4,979,299.74 = 1,976,653.17/x - Step 3: Cross multiply
3,608,186.76x = 4,979,299.74 × 1,976,653.17 - Step 4: Simplify right side
3,608,186.76x = 9,842,348,615,451.18 - Step 5: Solve for x
x = 9,842,348,615,451.18/3,608,186.76 - Step 6: Final answer
x = 2,727,782.48
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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.