Finding the Fourth Proportional to 2,148,714.24, 2,965,227.19 and 1,181,918.09
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Solution
The fourth proportional to 2,148,714.24, 2,965,227.19 and 1,181,918.09 is: 1,631,047.80
Step by Step Solution
- Step 1: Write the proportion equation
2,148,714.24 : 2,965,227.19 = 1,181,918.09 : x - Step 2: Convert to fraction form
2,148,714.24/2,965,227.19 = 1,181,918.09/x - Step 3: Cross multiply
2,148,714.24x = 2,965,227.19 × 1,181,918.09 - Step 4: Simplify right side
2,148,714.24x = 3,504,655,644,599.74 - Step 5: Solve for x
x = 3,504,655,644,599.74/2,148,714.24 - Step 6: Final answer
x = 1,631,047.80
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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.