Finding the Fourth Proportional to 5,745,815.82, 7,929,249.84 and 3,167,440.02
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Solution
The fourth proportional to 5,745,815.82, 7,929,249.84 and 3,167,440.02 is: 4,371,080.46
Step by Step Solution
- Step 1: Write the proportion equation
5,745,815.82 : 7,929,249.84 = 3,167,440.02 : x - Step 2: Convert to fraction form
5,745,815.82/7,929,249.84 = 3,167,440.02/x - Step 3: Cross multiply
5,745,815.82x = 7,929,249.84 × 3,167,440.02 - Step 4: Simplify right side
5,745,815.82x = 25,115,423,271,794.60 - Step 5: Solve for x
x = 25,115,423,271,794.60/5,745,815.82 - Step 6: Final answer
x = 4,371,080.46
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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.