Finding the Fourth Proportional to 4,161,332.40, 6,246,664.20 and 3,218,881.20
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Solution
The fourth proportional to 4,161,332.40, 6,246,664.20 and 3,218,881.20 is: 4,831,930.74
Step by Step Solution
- Step 1: Write the proportion equation
4,161,332.40 : 6,246,664.20 = 3,218,881.20 : x - Step 2: Convert to fraction form
4,161,332.40/6,246,664.20 = 3,218,881.20/x - Step 3: Cross multiply
4,161,332.40x = 6,246,664.20 × 3,218,881.20 - Step 4: Simplify right side
4,161,332.40x = 20,107,269,956,093.04 - Step 5: Solve for x
x = 20,107,269,956,093.04/4,161,332.40 - Step 6: Final answer
x = 4,831,930.74
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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.