Finding the Fourth Proportional to 3,768,543.13, 5,650,904.80 and 1,609,231.92
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Solution
The fourth proportional to 3,768,543.13, 5,650,904.80 and 1,609,231.92 is: 2,413,032.32
Step by Step Solution
- Step 1: Write the proportion equation
3,768,543.13 : 5,650,904.80 = 1,609,231.92 : x - Step 2: Convert to fraction form
3,768,543.13/5,650,904.80 = 1,609,231.92/x - Step 3: Cross multiply
3,768,543.13x = 5,650,904.80 × 1,609,231.92 - Step 4: Simplify right side
3,768,543.13x = 9,093,616,381,041.22 - Step 5: Solve for x
x = 9,093,616,381,041.22/3,768,543.13 - Step 6: Final answer
x = 2,413,032.32
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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.