Finding the Fourth Proportional to 3,163,731.18, 4,746,405.69 and 919,869.18
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Solution
The fourth proportional to 3,163,731.18, 4,746,405.69 and 919,869.18 is: 1,380,038.97
Step by Step Solution
- Step 1: Write the proportion equation
3,163,731.18 : 4,746,405.69 = 919,869.18 : x - Step 2: Convert to fraction form
3,163,731.18/4,746,405.69 = 919,869.18/x - Step 3: Cross multiply
3,163,731.18x = 4,746,405.69 × 919,869.18 - Step 4: Simplify right side
3,163,731.18x = 4,366,072,310,007.64 - Step 5: Solve for x
x = 4,366,072,310,007.64/3,163,731.18 - Step 6: Final answer
x = 1,380,038.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.