Finding the Fourth Proportional to 2,868,743.54, 3,958,892.37 and 1,579,630.05
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Solution
The fourth proportional to 2,868,743.54, 3,958,892.37 and 1,579,630.05 is: 2,179,903.95
Step by Step Solution
- Step 1: Write the proportion equation
2,868,743.54 : 3,958,892.37 = 1,579,630.05 : x - Step 2: Convert to fraction form
2,868,743.54/3,958,892.37 = 1,579,630.05/x - Step 3: Cross multiply
2,868,743.54x = 3,958,892.37 × 1,579,630.05 - Step 4: Simplify right side
2,868,743.54x = 6,253,585,352,367.72 - Step 5: Solve for x
x = 6,253,585,352,367.72/2,868,743.54 - Step 6: Final answer
x = 2,179,903.95
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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.