Finding the Fourth Proportional to 2,561,232.85, 3,534,502.59 and 1,415,313.20
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Solution
The fourth proportional to 2,561,232.85, 3,534,502.59 and 1,415,313.20 is: 1,953,132.92
Step by Step Solution
- Step 1: Write the proportion equation
2,561,232.85 : 3,534,502.59 = 1,415,313.20 : x - Step 2: Convert to fraction form
2,561,232.85/3,534,502.59 = 1,415,313.20/x - Step 3: Cross multiply
2,561,232.85x = 3,534,502.59 × 1,415,313.20 - Step 4: Simplify right side
2,561,232.85x = 5,002,428,179,897.44 - Step 5: Solve for x
x = 5,002,428,179,897.44/2,561,232.85 - Step 6: Final answer
x = 1,953,132.92
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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.