Finding the Fourth Proportional to 5,133,798.62, 7,084,725.64 and 2,810,651.93
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Solution
The fourth proportional to 5,133,798.62, 7,084,725.64 and 2,810,651.93 is: 3,878,745.40
Step by Step Solution
- Step 1: Write the proportion equation
5,133,798.62 : 7,084,725.64 = 2,810,651.93 : x - Step 2: Convert to fraction form
5,133,798.62/7,084,725.64 = 2,810,651.93/x - Step 3: Cross multiply
5,133,798.62x = 7,084,725.64 × 2,810,651.93 - Step 4: Simplify right side
5,133,798.62x = 19,912,697,751,136.23 - Step 5: Solve for x
x = 19,912,697,751,136.23/5,133,798.62 - Step 6: Final answer
x = 3,878,745.40
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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.