Finding the Fourth Proportional to 5,145,332.91, 7,719,163.79 and 1,733,526.81
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Solution
The fourth proportional to 5,145,332.91, 7,719,163.79 and 1,733,526.81 is: 2,600,682.52
Step by Step Solution
- Step 1: Write the proportion equation
5,145,332.91 : 7,719,163.79 = 1,733,526.81 : x - Step 2: Convert to fraction form
5,145,332.91/7,719,163.79 = 1,733,526.81/x - Step 3: Cross multiply
5,145,332.91x = 7,719,163.79 × 1,733,526.81 - Step 4: Simplify right side
5,145,332.91x = 13,381,377,372,078.58 - Step 5: Solve for x
x = 13,381,377,372,078.58/5,145,332.91 - Step 6: Final answer
x = 2,600,682.52
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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.