Finding the Fourth Proportional to 2,974,654.44, 4,104,689.31 and 1,685,218.68
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Solution
The fourth proportional to 2,974,654.44, 4,104,689.31 and 1,685,218.68 is: 2,325,412.66
Step by Step Solution
- Step 1: Write the proportion equation
2,974,654.44 : 4,104,689.31 = 1,685,218.68 : x - Step 2: Convert to fraction form
2,974,654.44/4,104,689.31 = 1,685,218.68/x - Step 3: Cross multiply
2,974,654.44x = 4,104,689.31 × 1,685,218.68 - Step 4: Simplify right side
2,974,654.44x = 6,917,299,100,808.31 - Step 5: Solve for x
x = 6,917,299,100,808.31/2,974,654.44 - Step 6: Final answer
x = 2,325,412.66
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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.