Finding the Fourth Proportional to 2,544,431.76, 3,511,270.80 and 1,398,511.80
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Solution
The fourth proportional to 2,544,431.76, 3,511,270.80 and 1,398,511.80 is: 1,929,921.53
Step by Step Solution
- Step 1: Write the proportion equation
2,544,431.76 : 3,511,270.80 = 1,398,511.80 : x - Step 2: Convert to fraction form
2,544,431.76/3,511,270.80 = 1,398,511.80/x - Step 3: Cross multiply
2,544,431.76x = 3,511,270.80 × 1,398,511.80 - Step 4: Simplify right side
2,544,431.76x = 4,910,553,646,795.44 - Step 5: Solve for x
x = 4,910,553,646,795.44/2,544,431.76 - Step 6: Final answer
x = 1,929,921.53
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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.