Finding the Fourth Proportional to 1,922,956.12, 2,654,496.53 and 1,198,161.94
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Solution
The fourth proportional to 1,922,956.12, 2,654,496.53 and 1,198,161.94 is: 1,653,972.59
Step by Step Solution
- Step 1: Write the proportion equation
1,922,956.12 : 2,654,496.53 = 1,198,161.94 : x - Step 2: Convert to fraction form
1,922,956.12/2,654,496.53 = 1,198,161.94/x - Step 3: Cross multiply
1,922,956.12x = 2,654,496.53 × 1,198,161.94 - Step 4: Simplify right side
1,922,956.12x = 3,180,516,708,467.23 - Step 5: Solve for x
x = 3,180,516,708,467.23/1,922,956.12 - Step 6: Final answer
x = 1,653,972.59
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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.