Finding the Fourth Proportional to 5,783,723.70, 8,623,877.58 and 5,624,820.78
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Solution
The fourth proportional to 5,783,723.70, 8,623,877.58 and 5,624,820.78 is: 8,386,943.83
Step by Step Solution
- Step 1: Write the proportion equation
5,783,723.70 : 8,623,877.58 = 5,624,820.78 : x - Step 2: Convert to fraction form
5,783,723.70/8,623,877.58 = 5,624,820.78/x - Step 3: Cross multiply
5,783,723.70x = 8,623,877.58 × 5,624,820.78 - Step 4: Simplify right side
5,783,723.70x = 48,507,765,816,160.12 - Step 5: Solve for x
x = 48,507,765,816,160.12/5,783,723.70 - Step 6: Final answer
x = 8,386,943.83
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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.