Finding the Fourth Proportional to 1,676,761.49, 2,314,232.63 and 988,392.47
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Solution
The fourth proportional to 1,676,761.49, 2,314,232.63 and 988,392.47 is: 1,364,159.49
Step by Step Solution
- Step 1: Write the proportion equation
1,676,761.49 : 2,314,232.63 = 988,392.47 : x - Step 2: Convert to fraction form
1,676,761.49/2,314,232.63 = 988,392.47/x - Step 3: Cross multiply
1,676,761.49x = 2,314,232.63 × 988,392.47 - Step 4: Simplify right side
1,676,761.49x = 2,287,370,088,807.17 - Step 5: Solve for x
x = 2,287,370,088,807.17/1,676,761.49 - Step 6: Final answer
x = 1,364,159.49
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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.