Finding the Fourth Proportional to 6,441,763.78, 8,889,850.49 and 3,792,133.14
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Solution
The fourth proportional to 6,441,763.78, 8,889,850.49 and 3,792,133.14 is: 5,233,271.17
Step by Step Solution
- Step 1: Write the proportion equation
6,441,763.78 : 8,889,850.49 = 3,792,133.14 : x - Step 2: Convert to fraction form
6,441,763.78/8,889,850.49 = 3,792,133.14/x - Step 3: Cross multiply
6,441,763.78x = 8,889,850.49 × 3,792,133.14 - Step 4: Simplify right side
6,441,763.78x = 33,711,496,633,813.57 - Step 5: Solve for x
x = 33,711,496,633,813.57/6,441,763.78 - Step 6: Final answer
x = 5,233,271.17
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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.