Finding the Fourth Proportional to 1,531,406.32, 2,291,337.92 and 913,625.84
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Solution
The fourth proportional to 1,531,406.32, 2,291,337.92 and 913,625.84 is: 1,366,995.49
Step by Step Solution
- Step 1: Write the proportion equation
1,531,406.32 : 2,291,337.92 = 913,625.84 : x - Step 2: Convert to fraction form
1,531,406.32/2,291,337.92 = 913,625.84/x - Step 3: Cross multiply
1,531,406.32x = 2,291,337.92 × 913,625.84 - Step 4: Simplify right side
1,531,406.32x = 2,093,425,531,883.85 - Step 5: Solve for x
x = 2,093,425,531,883.85/1,531,406.32 - Step 6: Final answer
x = 1,366,995.49
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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.