Finding the Fourth Proportional to 1,578,787.00, 2,178,713.37 and 916,560.32
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Solution
The fourth proportional to 1,578,787.00, 2,178,713.37 and 916,560.32 is: 1,264,845.88
Step by Step Solution
- Step 1: Write the proportion equation
1,578,787.00 : 2,178,713.37 = 916,560.32 : x - Step 2: Convert to fraction form
1,578,787.00/2,178,713.37 = 916,560.32/x - Step 3: Cross multiply
1,578,787.00x = 2,178,713.37 × 916,560.32 - Step 4: Simplify right side
1,578,787.00x = 1,996,922,229,042.26 - Step 5: Solve for x
x = 1,996,922,229,042.26/1,578,787.00 - Step 6: Final answer
x = 1,264,845.88
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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.