Finding the Fourth Proportional to 1,364,119.36, 1,884,795.68 and 981,389.12
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Solution
The fourth proportional to 1,364,119.36, 1,884,795.68 and 981,389.12 is: 1,355,979.56
Step by Step Solution
- Step 1: Write the proportion equation
1,364,119.36 : 1,884,795.68 = 981,389.12 : x - Step 2: Convert to fraction form
1,364,119.36/1,884,795.68 = 981,389.12/x - Step 3: Cross multiply
1,364,119.36x = 1,884,795.68 × 981,389.12 - Step 4: Simplify right side
1,364,119.36x = 1,849,717,973,775.00 - Step 5: Solve for x
x = 1,849,717,973,775.00/1,364,119.36 - Step 6: Final answer
x = 1,355,979.56
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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.