Finding the Fourth Proportional to 5,695,881.12, 8,543,828.16 and 2,100,090.24
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Solution
The fourth proportional to 5,695,881.12, 8,543,828.16 and 2,100,090.24 is: 3,150,137.75
Step by Step Solution
- Step 1: Write the proportion equation
5,695,881.12 : 8,543,828.16 = 2,100,090.24 : x - Step 2: Convert to fraction form
5,695,881.12/8,543,828.16 = 2,100,090.24/x - Step 3: Cross multiply
5,695,881.12x = 8,543,828.16 × 2,100,090.24 - Step 4: Simplify right side
5,695,881.12x = 17,942,810,131,053.16 - Step 5: Solve for x
x = 17,942,810,131,053.16/5,695,881.12 - Step 6: Final answer
x = 3,150,137.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.