Finding the Fourth Proportional to 5,436,822.40, 8,148,235.20 and 3,304,643.20
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Solution
The fourth proportional to 5,436,822.40, 8,148,235.20 and 3,304,643.20 is: 4,952,710.99
Step by Step Solution
- Step 1: Write the proportion equation
5,436,822.40 : 8,148,235.20 = 3,304,643.20 : x - Step 2: Convert to fraction form
5,436,822.40/8,148,235.20 = 3,304,643.20/x - Step 3: Cross multiply
5,436,822.40x = 8,148,235.20 × 3,304,643.20 - Step 4: Simplify right side
5,436,822.40x = 26,927,010,045,680.64 - Step 5: Solve for x
x = 26,927,010,045,680.64/5,436,822.40 - Step 6: Final answer
x = 4,952,710.99
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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.