Finding the Fourth Proportional to 4,121,026.13, 5,687,356.55 and 2,286,076.03
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Solution
The fourth proportional to 4,121,026.13, 5,687,356.55 and 2,286,076.03 is: 3,154,973.80
Step by Step Solution
- Step 1: Write the proportion equation
4,121,026.13 : 5,687,356.55 = 2,286,076.03 : x - Step 2: Convert to fraction form
4,121,026.13/5,687,356.55 = 2,286,076.03/x - Step 3: Cross multiply
4,121,026.13x = 5,687,356.55 × 2,286,076.03 - Step 4: Simplify right side
4,121,026.13x = 13,001,729,457,369.72 - Step 5: Solve for x
x = 13,001,729,457,369.72/4,121,026.13 - Step 6: Final answer
x = 3,154,973.80
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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.