Finding the Fourth Proportional to 5,745,837.57, 7,929,279.87 and 3,167,461.77
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Solution
The fourth proportional to 5,745,837.57, 7,929,279.87 and 3,167,461.77 is: 4,371,110.49
Step by Step Solution
- Step 1: Write the proportion equation
5,745,837.57 : 7,929,279.87 = 3,167,461.77 : x - Step 2: Convert to fraction form
5,745,837.57/7,929,279.87 = 3,167,461.77/x - Step 3: Cross multiply
5,745,837.57x = 7,929,279.87 × 3,167,461.77 - Step 4: Simplify right side
5,745,837.57x = 25,115,690,851,855.57 - Step 5: Solve for x
x = 25,115,690,851,855.57/5,745,837.57 - Step 6: Final answer
x = 4,371,110.49
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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.