Finding the Fourth Proportional to 1,579,279.96, 2,179,406.35 and 854,127.68
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Solution
The fourth proportional to 1,579,279.96, 2,179,406.35 and 854,127.68 is: 1,178,696.20
Step by Step Solution
- Step 1: Write the proportion equation
1,579,279.96 : 2,179,406.35 = 854,127.68 : x - Step 2: Convert to fraction form
1,579,279.96/2,179,406.35 = 854,127.68/x - Step 3: Cross multiply
1,579,279.96x = 2,179,406.35 × 854,127.68 - Step 4: Simplify right side
1,579,279.96x = 1,861,491,293,175.01 - Step 5: Solve for x
x = 1,861,491,293,175.01/1,579,279.96 - Step 6: Final answer
x = 1,178,696.20
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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.