Finding the Fourth Proportional to 2,515,185.87, 3,470,847.62 and 1,369,270.23
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Solution
The fourth proportional to 2,515,185.87, 3,470,847.62 and 1,369,270.23 is: 1,889,533.64
Step by Step Solution
- Step 1: Write the proportion equation
2,515,185.87 : 3,470,847.62 = 1,369,270.23 : x - Step 2: Convert to fraction form
2,515,185.87/3,470,847.62 = 1,369,270.23/x - Step 3: Cross multiply
2,515,185.87x = 3,470,847.62 × 1,369,270.23 - Step 4: Simplify right side
2,515,185.87x = 4,752,528,312,086.00 - Step 5: Solve for x
x = 4,752,528,312,086.00/2,515,185.87 - Step 6: Final answer
x = 1,889,533.64
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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.