Finding the Fourth Proportional to 2,101,915.69, 3,145,722.48 and 1,291,872.99
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Solution
The fourth proportional to 2,101,915.69, 3,145,722.48 and 1,291,872.99 is: 1,933,414.32
Step by Step Solution
- Step 1: Write the proportion equation
2,101,915.69 : 3,145,722.48 = 1,291,872.99 : x - Step 2: Convert to fraction form
2,101,915.69/3,145,722.48 = 1,291,872.99/x - Step 3: Cross multiply
2,101,915.69x = 3,145,722.48 × 1,291,872.99 - Step 4: Simplify right side
2,101,915.69x = 4,063,873,900,049.59 - Step 5: Solve for x
x = 4,063,873,900,049.59/2,101,915.69 - Step 6: Final answer
x = 1,933,414.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.