Finding the Fourth Proportional to 1,494,135.18, 2,229,549.30 and 1,333,104.08
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Solution
The fourth proportional to 1,494,135.18, 2,229,549.30 and 1,333,104.08 is: 1,989,258.60
Step by Step Solution
- Step 1: Write the proportion equation
1,494,135.18 : 2,229,549.30 = 1,333,104.08 : x - Step 2: Convert to fraction form
1,494,135.18/2,229,549.30 = 1,333,104.08/x - Step 3: Cross multiply
1,494,135.18x = 2,229,549.30 × 1,333,104.08 - Step 4: Simplify right side
1,494,135.18x = 2,972,221,257,243.40 - Step 5: Solve for x
x = 2,972,221,257,243.40/1,494,135.18 - Step 6: Final answer
x = 1,989,258.60
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.