Finding the Fourth Proportional to 4,815,286.84, 6,645,053.46 and 2,639,790.46
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Solution
The fourth proportional to 4,815,286.84, 6,645,053.46 and 2,639,790.46 is: 3,642,887.60
Step by Step Solution
- Step 1: Write the proportion equation
4,815,286.84 : 6,645,053.46 = 2,639,790.46 : x - Step 2: Convert to fraction form
4,815,286.84/6,645,053.46 = 2,639,790.46/x - Step 3: Cross multiply
4,815,286.84x = 6,645,053.46 × 2,639,790.46 - Step 4: Simplify right side
4,815,286.84x = 17,541,548,729,897.99 - Step 5: Solve for x
x = 17,541,548,729,897.99/4,815,286.84 - Step 6: Final answer
x = 3,642,887.60
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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.