Finding the Fourth Proportional to 2,133,982.88, 2,944,854.96 and 1,167,110.08
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Solution
The fourth proportional to 2,133,982.88, 2,944,854.96 and 1,167,110.08 is: 1,610,589.26
Step by Step Solution
- Step 1: Write the proportion equation
2,133,982.88 : 2,944,854.96 = 1,167,110.08 : x - Step 2: Convert to fraction form
2,133,982.88/2,944,854.96 = 1,167,110.08/x - Step 3: Cross multiply
2,133,982.88x = 2,944,854.96 × 1,167,110.08 - Step 4: Simplify right side
2,133,982.88x = 3,436,969,907,954.00 - Step 5: Solve for x
x = 3,436,969,907,954.00/2,133,982.88 - Step 6: Final answer
x = 1,610,589.26
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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.