Finding the Fourth Proportional to 2,308,302.19, 3,185,621.97 and 1,275,787.76
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Solution
The fourth proportional to 2,308,302.19, 3,185,621.97 and 1,275,787.76 is: 1,760,678.27
Step by Step Solution
- Step 1: Write the proportion equation
2,308,302.19 : 3,185,621.97 = 1,275,787.76 : x - Step 2: Convert to fraction form
2,308,302.19/3,185,621.97 = 1,275,787.76/x - Step 3: Cross multiply
2,308,302.19x = 3,185,621.97 × 1,275,787.76 - Step 4: Simplify right side
2,308,302.19x = 4,064,177,517,313.09 - Step 5: Solve for x
x = 4,064,177,517,313.09/2,308,302.19 - Step 6: Final answer
x = 1,760,678.27
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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.