Finding the Fourth Proportional to 4,385,576.13, 6,579,485.37 and 1,689,177.66
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Solution
The fourth proportional to 4,385,576.13, 6,579,485.37 and 1,689,177.66 is: 2,534,198.33
Step by Step Solution
- Step 1: Write the proportion equation
4,385,576.13 : 6,579,485.37 = 1,689,177.66 : x - Step 2: Convert to fraction form
4,385,576.13/6,579,485.37 = 1,689,177.66/x - Step 3: Cross multiply
4,385,576.13x = 6,579,485.37 × 1,689,177.66 - Step 4: Simplify right side
4,385,576.13x = 11,113,919,701,300.83 - Step 5: Solve for x
x = 11,113,919,701,300.83/4,385,576.13 - Step 6: Final answer
x = 2,534,198.33
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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.