Finding the Fourth Proportional to 1,613,322, 2,226,345.12 and 888,163.92
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Solution
The fourth proportional to 1,613,322, 2,226,345.12 and 888,163.92 is: 1,225,644.61
Step by Step Solution
- Step 1: Write the proportion equation
1,613,322 : 2,226,345.12 = 888,163.92 : x - Step 2: Convert to fraction form
1,613,322/2,226,345.12 = 888,163.92/x - Step 3: Cross multiply
1,613,322x = 2,226,345.12 × 888,163.92 - Step 4: Simplify right side
1,613,322x = 1,977,359,409,052.07 - Step 5: Solve for x
x = 1,977,359,409,052.07/1,613,322 - Step 6: Final answer
x = 1,225,644.61
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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.