Finding the Fourth Proportional to 2,274,863.19, 3,139,310.68 and 1,256,267.94
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Solution
The fourth proportional to 2,274,863.19, 3,139,310.68 and 1,256,267.94 is: 1,733,649.47
Step by Step Solution
- Step 1: Write the proportion equation
2,274,863.19 : 3,139,310.68 = 1,256,267.94 : x - Step 2: Convert to fraction form
2,274,863.19/3,139,310.68 = 1,256,267.94/x - Step 3: Cross multiply
2,274,863.19x = 3,139,310.68 × 1,256,267.94 - Step 4: Simplify right side
2,274,863.19x = 3,943,815,360,983.60 - Step 5: Solve for x
x = 3,943,815,360,983.60/2,274,863.19 - Step 6: Final answer
x = 1,733,649.47
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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.