Finding the Fourth Proportional to 4,677,576.75, 7,016,365.40 and 1,131,720.75
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Solution
The fourth proportional to 4,677,576.75, 7,016,365.40 and 1,131,720.75 is: 1,697,581.19
Step by Step Solution
- Step 1: Write the proportion equation
4,677,576.75 : 7,016,365.40 = 1,131,720.75 : x - Step 2: Convert to fraction form
4,677,576.75/7,016,365.40 = 1,131,720.75/x - Step 3: Cross multiply
4,677,576.75x = 7,016,365.40 × 1,131,720.75 - Step 4: Simplify right side
4,677,576.75x = 7,940,566,307,103.45 - Step 5: Solve for x
x = 7,940,566,307,103.45/4,677,576.75 - Step 6: Final answer
x = 1,697,581.19
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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.