Finding the Fourth Proportional to 5,133,677.19, 7,084,476.57 and 2,810,720.24
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Solution
The fourth proportional to 5,133,677.19, 7,084,476.57 and 2,810,720.24 is: 3,878,795.05
Step by Step Solution
- Step 1: Write the proportion equation
5,133,677.19 : 7,084,476.57 = 2,810,720.24 : x - Step 2: Convert to fraction form
5,133,677.19/7,084,476.57 = 2,810,720.24/x - Step 3: Cross multiply
5,133,677.19x = 7,084,476.57 × 2,810,720.24 - Step 4: Simplify right side
5,133,677.19x = 19,912,481,685,104.78 - Step 5: Solve for x
x = 19,912,481,685,104.78/5,133,677.19 - Step 6: Final answer
x = 3,878,795.05
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1.5x scale
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.