Finding the Fourth Proportional to 6,131,462.95, 8,461,014.06 and 3,682,618.93
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Solution
The fourth proportional to 6,131,462.95, 8,461,014.06 and 3,682,618.93 is: 5,081,770.99
Step by Step Solution
- Step 1: Write the proportion equation
6,131,462.95 : 8,461,014.06 = 3,682,618.93 : x - Step 2: Convert to fraction form
6,131,462.95/8,461,014.06 = 3,682,618.93/x - Step 3: Cross multiply
6,131,462.95x = 8,461,014.06 × 3,682,618.93 - Step 4: Simplify right side
6,131,462.95x = 31,158,690,544,352.16 - Step 5: Solve for x
x = 31,158,690,544,352.16/6,131,462.95 - Step 6: Final answer
x = 5,081,770.99
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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.