Finding the Fourth Proportional to 5,364,579.40, 7,402,559.70 and 3,072,836.68
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Solution
The fourth proportional to 5,364,579.40, 7,402,559.70 and 3,072,836.68 is: 4,240,193.92
Step by Step Solution
- Step 1: Write the proportion equation
5,364,579.40 : 7,402,559.70 = 3,072,836.68 : x - Step 2: Convert to fraction form
5,364,579.40/7,402,559.70 = 3,072,836.68/x - Step 3: Cross multiply
5,364,579.40x = 7,402,559.70 × 3,072,836.68 - Step 4: Simplify right side
5,364,579.40x = 22,746,856,972,049.80 - Step 5: Solve for x
x = 22,746,856,972,049.80/5,364,579.40 - Step 6: Final answer
x = 4,240,193.92
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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.