Finding the Fourth Proportional to 1,589,376.36, 2,193,349.68 and 864,231.96
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Solution
The fourth proportional to 1,589,376.36, 2,193,349.68 and 864,231.96 is: 1,192,645.71
Step by Step Solution
- Step 1: Write the proportion equation
1,589,376.36 : 2,193,349.68 = 864,231.96 : x - Step 2: Convert to fraction form
1,589,376.36/2,193,349.68 = 864,231.96/x - Step 3: Cross multiply
1,589,376.36x = 2,193,349.68 × 864,231.96 - Step 4: Simplify right side
1,589,376.36x = 1,895,562,892,911.77 - Step 5: Solve for x
x = 1,895,562,892,911.77/1,589,376.36 - Step 6: Final answer
x = 1,192,645.71
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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.