Finding the Fourth Proportional to 5,509,661.40, 8,240,318.88 and 4,906,701.84
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Solution
The fourth proportional to 5,509,661.40, 8,240,318.88 and 4,906,701.84 is: 7,338,524.98
Step by Step Solution
- Step 1: Write the proportion equation
5,509,661.40 : 8,240,318.88 = 4,906,701.84 : x - Step 2: Convert to fraction form
5,509,661.40/8,240,318.88 = 4,906,701.84/x - Step 3: Cross multiply
5,509,661.40x = 8,240,318.88 × 4,906,701.84 - Step 4: Simplify right side
5,509,661.40x = 40,432,787,810,682.73 - Step 5: Solve for x
x = 40,432,787,810,682.73/5,509,661.40 - Step 6: Final answer
x = 7,338,524.98
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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.