Finding the Fourth Proportional to 1,579,242.75, 2,179,356.44 and 854,090.46
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Solution
The fourth proportional to 1,579,242.75, 2,179,356.44 and 854,090.46 is: 1,178,645.62
Step by Step Solution
- Step 1: Write the proportion equation
1,579,242.75 : 2,179,356.44 = 854,090.46 : x - Step 2: Convert to fraction form
1,579,242.75/2,179,356.44 = 854,090.46/x - Step 3: Cross multiply
1,579,242.75x = 2,179,356.44 × 854,090.46 - Step 4: Simplify right side
1,579,242.75x = 1,861,367,554,651.38 - Step 5: Solve for x
x = 1,861,367,554,651.38/1,579,242.75 - Step 6: Final answer
x = 1,178,645.62
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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.