Finding the Fourth Proportional to 5,502,991.28, 8,217,429.70 and 4,494,114.62
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Solution
The fourth proportional to 5,502,991.28, 8,217,429.70 and 4,494,114.62 is: 6,710,908.49
Step by Step Solution
- Step 1: Write the proportion equation
5,502,991.28 : 8,217,429.70 = 4,494,114.62 : x - Step 2: Convert to fraction form
5,502,991.28/8,217,429.70 = 4,494,114.62/x - Step 3: Cross multiply
5,502,991.28x = 8,217,429.70 × 4,494,114.62 - Step 4: Simplify right side
5,502,991.28x = 36,930,070,901,269.78 - Step 5: Solve for x
x = 36,930,070,901,269.78/5,502,991.28 - Step 6: Final answer
x = 6,710,908.49
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.