Finding the Fourth Proportional to 5,133,801.49, 7,084,729.61 and 2,810,654.80
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Solution
The fourth proportional to 5,133,801.49, 7,084,729.61 and 2,810,654.80 is: 3,878,749.37
Step by Step Solution
- Step 1: Write the proportion equation
5,133,801.49 : 7,084,729.61 = 2,810,654.80 : x - Step 2: Convert to fraction form
5,133,801.49/7,084,729.61 = 2,810,654.80/x - Step 3: Cross multiply
5,133,801.49x = 7,084,729.61 × 2,810,654.80 - Step 4: Simplify right side
5,133,801.49x = 19,912,729,285,048.63 - Step 5: Solve for x
x = 19,912,729,285,048.63/5,133,801.49 - Step 6: Final answer
x = 3,878,749.37
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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.