Finding the Fourth Proportional to 1,502,158.09, 2,242,310.03 and 1,391,145.97
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Solution
The fourth proportional to 1,502,158.09, 2,242,310.03 and 1,391,145.97 is: 2,076,599.38
Step by Step Solution
- Step 1: Write the proportion equation
1,502,158.09 : 2,242,310.03 = 1,391,145.97 : x - Step 2: Convert to fraction form
1,502,158.09/2,242,310.03 = 1,391,145.97/x - Step 3: Cross multiply
1,502,158.09x = 2,242,310.03 × 1,391,145.97 - Step 4: Simplify right side
1,502,158.09x = 3,119,380,561,725.08 - Step 5: Solve for x
x = 3,119,380,561,725.08/1,502,158.09 - Step 6: Final answer
x = 2,076,599.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.