Finding the Fourth Proportional to 5,517,397.06, 8,277,286.80 and 1,679,519.59
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Solution
The fourth proportional to 5,517,397.06, 8,277,286.80 and 1,679,519.59 is: 2,519,641.99
Step by Step Solution
- Step 1: Write the proportion equation
5,517,397.06 : 8,277,286.80 = 1,679,519.59 : x - Step 2: Convert to fraction form
5,517,397.06/8,277,286.80 = 1,679,519.59/x - Step 3: Cross multiply
5,517,397.06x = 8,277,286.80 × 1,679,519.59 - Step 4: Simplify right side
5,517,397.06x = 13,901,865,332,648.41 - Step 5: Solve for x
x = 13,901,865,332,648.41/5,517,397.06 - Step 6: Final answer
x = 2,519,641.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.