Finding the Fourth Proportional to 4,379,734.01, 6,000,135.55 and 4,215,988.46
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Solution
The fourth proportional to 4,379,734.01, 6,000,135.55 and 4,215,988.46 is: 5,775,807.89
Step by Step Solution
- Step 1: Write the proportion equation
4,379,734.01 : 6,000,135.55 = 4,215,988.46 : x - Step 2: Convert to fraction form
4,379,734.01/6,000,135.55 = 4,215,988.46/x - Step 3: Cross multiply
4,379,734.01x = 6,000,135.55 × 4,215,988.46 - Step 4: Simplify right side
4,379,734.01x = 25,296,502,237,235.75 - Step 5: Solve for x
x = 25,296,502,237,235.75/4,379,734.01 - Step 6: Final answer
x = 5,775,807.89
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.