Finding the Fourth Proportional to 5,470,069.80, 8,205,104.70 and 3,958,415.40
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Solution
The fourth proportional to 5,470,069.80, 8,205,104.70 and 3,958,415.40 is: 5,937,623.10
Step by Step Solution
- Step 1: Write the proportion equation
5,470,069.80 : 8,205,104.70 = 3,958,415.40 : x - Step 2: Convert to fraction form
5,470,069.80/8,205,104.70 = 3,958,415.40/x - Step 3: Cross multiply
5,470,069.80x = 8,205,104.70 × 3,958,415.40 - Step 4: Simplify right side
5,470,069.80x = 32,479,212,803,092.38 - Step 5: Solve for x
x = 32,479,212,803,092.38/5,470,069.80 - Step 6: Final answer
x = 5,937,623.10
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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.