Finding the Fourth Proportional to 5,133,696.20, 7,084,502.82 and 2,810,739.26
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Solution
The fourth proportional to 5,133,696.20, 7,084,502.82 and 2,810,739.26 is: 3,878,821.31
Step by Step Solution
- Step 1: Write the proportion equation
5,133,696.20 : 7,084,502.82 = 2,810,739.26 : x - Step 2: Convert to fraction form
5,133,696.20/7,084,502.82 = 2,810,739.26/x - Step 3: Cross multiply
5,133,696.20x = 7,084,502.82 × 2,810,739.26 - Step 4: Simplify right side
5,133,696.20x = 19,912,690,213,754.71 - Step 5: Solve for x
x = 19,912,690,213,754.71/5,133,696.20 - Step 6: Final answer
x = 3,878,821.31
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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.