Finding the Fourth Proportional to 4,441,920.40, 6,129,842.52 and 2,404,729.36
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Solution
The fourth proportional to 4,441,920.40, 6,129,842.52 and 2,404,729.36 is: 3,318,522.39
Step by Step Solution
- Step 1: Write the proportion equation
4,441,920.40 : 6,129,842.52 = 2,404,729.36 : x - Step 2: Convert to fraction form
4,441,920.40/6,129,842.52 = 2,404,729.36/x - Step 3: Cross multiply
4,441,920.40x = 6,129,842.52 × 2,404,729.36 - Step 4: Simplify right side
4,441,920.40x = 14,740,612,280,020.38 - Step 5: Solve for x
x = 14,740,612,280,020.38/4,441,920.40 - Step 6: Final answer
x = 3,318,522.39
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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.