Finding the Fourth Proportional to 2,708,780.27, 3,738,497.60 and 1,676,619.14
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Solution
The fourth proportional to 2,708,780.27, 3,738,497.60 and 1,676,619.14 is: 2,313,970.13
Step by Step Solution
- Step 1: Write the proportion equation
2,708,780.27 : 3,738,497.60 = 1,676,619.14 : x - Step 2: Convert to fraction form
2,708,780.27/3,738,497.60 = 1,676,619.14/x - Step 3: Cross multiply
2,708,780.27x = 3,738,497.60 × 1,676,619.14 - Step 4: Simplify right side
2,708,780.27x = 6,268,036,631,004.06 - Step 5: Solve for x
x = 6,268,036,631,004.06/2,708,780.27 - Step 6: Final answer
x = 2,313,970.13
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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.