Finding the Fourth Proportional to 5,133,795.05, 7,084,720.72 and 2,810,648.36
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Solution
The fourth proportional to 5,133,795.05, 7,084,720.72 and 2,810,648.36 is: 3,878,740.48
Step by Step Solution
- Step 1: Write the proportion equation
5,133,795.05 : 7,084,720.72 = 2,810,648.36 : x - Step 2: Convert to fraction form
5,133,795.05/7,084,720.72 = 2,810,648.36/x - Step 3: Cross multiply
5,133,795.05x = 7,084,720.72 × 2,810,648.36 - Step 4: Simplify right side
5,133,795.05x = 19,912,658,693,951.13 - Step 5: Solve for x
x = 19,912,658,693,951.13/5,133,795.05 - Step 6: Final answer
x = 3,878,740.48
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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.