Finding the Fourth Proportional to 6,138,734.16, 9,208,812.36 and 2,040,421.68
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Solution
The fourth proportional to 6,138,734.16, 9,208,812.36 and 2,040,421.68 is: 3,060,868.89
Step by Step Solution
- Step 1: Write the proportion equation
6,138,734.16 : 9,208,812.36 = 2,040,421.68 : x - Step 2: Convert to fraction form
6,138,734.16/9,208,812.36 = 2,040,421.68/x - Step 3: Cross multiply
6,138,734.16x = 9,208,812.36 × 2,040,421.68 - Step 4: Simplify right side
6,138,734.16x = 18,789,860,386,395.96 - Step 5: Solve for x
x = 18,789,860,386,395.96/6,138,734.16 - Step 6: Final answer
x = 3,060,868.89
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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.