Finding the Fourth Proportional to 2,209,664.42, 3,049,306.82 and 1,242,794.44
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Solution
The fourth proportional to 2,209,664.42, 3,049,306.82 and 1,242,794.44 is: 1,715,039.41
Step by Step Solution
- Step 1: Write the proportion equation
2,209,664.42 : 3,049,306.82 = 1,242,794.44 : x - Step 2: Convert to fraction form
2,209,664.42/3,049,306.82 = 1,242,794.44/x - Step 3: Cross multiply
2,209,664.42x = 3,049,306.82 × 1,242,794.44 - Step 4: Simplify right side
2,209,664.42x = 3,789,661,561,750.08 - Step 5: Solve for x
x = 3,789,661,561,750.08/2,209,664.42 - Step 6: Final answer
x = 1,715,039.41
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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.