Finding the Fourth Proportional to 5,656,760.88, 8,485,641.92 and 1,613,163.12
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Solution
The fourth proportional to 5,656,760.88, 8,485,641.92 and 1,613,163.12 is: 2,419,887.44
Step by Step Solution
- Step 1: Write the proportion equation
5,656,760.88 : 8,485,641.92 = 1,613,163.12 : x - Step 2: Convert to fraction form
5,656,760.88/8,485,641.92 = 1,613,163.12/x - Step 3: Cross multiply
5,656,760.88x = 8,485,641.92 × 1,613,163.12 - Step 4: Simplify right side
5,656,760.88x = 13,688,724,594,869.99 - Step 5: Solve for x
x = 13,688,724,594,869.99/5,656,760.88 - Step 6: Final answer
x = 2,419,887.44
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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.