Finding the Fourth Proportional to 1,817,608.87, 2,726,419.78 and 555,431.23
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Solution
The fourth proportional to 1,817,608.87, 2,726,419.78 and 555,431.23 is: 833,148.82
Step by Step Solution
- Step 1: Write the proportion equation
1,817,608.87 : 2,726,419.78 = 555,431.23 : x - Step 2: Convert to fraction form
1,817,608.87/2,726,419.78 = 555,431.23/x - Step 3: Cross multiply
1,817,608.87x = 2,726,419.78 × 555,431.23 - Step 4: Simplify right side
1,817,608.87x = 1,514,338,685,779.97 - Step 5: Solve for x
x = 1,514,338,685,779.97/1,817,608.87 - Step 6: Final answer
x = 833,148.82
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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.