Finding the Fourth Proportional to 2,809,064.23, 3,876,618.42 and 1,585,412.08
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Solution
The fourth proportional to 2,809,064.23, 3,876,618.42 and 1,585,412.08 is: 2,187,930.63
Step by Step Solution
- Step 1: Write the proportion equation
2,809,064.23 : 3,876,618.42 = 1,585,412.08 : x - Step 2: Convert to fraction form
2,809,064.23/3,876,618.42 = 1,585,412.08/x - Step 3: Cross multiply
2,809,064.23x = 3,876,618.42 × 1,585,412.08 - Step 4: Simplify right side
2,809,064.23x = 6,146,037,662,926.97 - Step 5: Solve for x
x = 6,146,037,662,926.97/2,809,064.23 - Step 6: Final answer
x = 2,187,930.63
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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.