Finding the Fourth Proportional to 1,639,226.84, 2,262,161.94 and 904,265.24
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Solution
The fourth proportional to 1,639,226.84, 2,262,161.94 and 904,265.24 is: 1,247,901.97
Step by Step Solution
- Step 1: Write the proportion equation
1,639,226.84 : 2,262,161.94 = 904,265.24 : x - Step 2: Convert to fraction form
1,639,226.84/2,262,161.94 = 904,265.24/x - Step 3: Cross multiply
1,639,226.84x = 2,262,161.94 × 904,265.24 - Step 4: Simplify right side
1,639,226.84x = 2,045,594,409,592.97 - Step 5: Solve for x
x = 2,045,594,409,592.97/1,639,226.84 - Step 6: Final answer
x = 1,247,901.97
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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.