Finding the Fourth Proportional to 6,131,530.63, 8,461,107.21 and 3,682,686.52
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Solution
The fourth proportional to 6,131,530.63, 8,461,107.21 and 3,682,686.52 is: 5,081,864.11
Step by Step Solution
- Step 1: Write the proportion equation
6,131,530.63 : 8,461,107.21 = 3,682,686.52 : x - Step 2: Convert to fraction form
6,131,530.63/8,461,107.21 = 3,682,686.52/x - Step 3: Cross multiply
6,131,530.63x = 8,461,107.21 × 3,682,686.52 - Step 4: Simplify right side
6,131,530.63x = 31,159,605,466,541.81 - Step 5: Solve for x
x = 31,159,605,466,541.81/6,131,530.63 - Step 6: Final answer
x = 5,081,864.11
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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.