Finding the Fourth Proportional to 4,429,611.40, 6,651,789.90 and 2,436,497.80
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Solution
The fourth proportional to 4,429,611.40, 6,651,789.90 and 2,436,497.80 is: 3,658,802.09
Step by Step Solution
- Step 1: Write the proportion equation
4,429,611.40 : 6,651,789.90 = 2,436,497.80 : x - Step 2: Convert to fraction form
4,429,611.40/6,651,789.90 = 2,436,497.80/x - Step 3: Cross multiply
4,429,611.40x = 6,651,789.90 × 2,436,497.80 - Step 4: Simplify right side
4,429,611.40x = 16,207,071,457,412.22 - Step 5: Solve for x
x = 16,207,071,457,412.22/4,429,611.40 - Step 6: Final answer
x = 3,658,802.09
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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.