Finding the Fourth Proportional to 2,117,409.97, 3,174,329.01 and 918,429.14
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Solution
The fourth proportional to 2,117,409.97, 3,174,329.01 and 918,429.14 is: 1,376,869.05
Step by Step Solution
- Step 1: Write the proportion equation
2,117,409.97 : 3,174,329.01 = 918,429.14 : x - Step 2: Convert to fraction form
2,117,409.97/3,174,329.01 = 918,429.14/x - Step 3: Cross multiply
2,117,409.97x = 3,174,329.01 × 918,429.14 - Step 4: Simplify right side
2,117,409.97x = 2,915,396,262,731.35 - Step 5: Solve for x
x = 2,915,396,262,731.35/2,117,409.97 - Step 6: Final answer
x = 1,376,869.05
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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.