Finding the Fourth Proportional to 2,261,856.99, 3,121,394.22 and 1,229,364.45
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Solution
The fourth proportional to 2,261,856.99, 3,121,394.22 and 1,229,364.45 is: 1,696,540.10
Step by Step Solution
- Step 1: Write the proportion equation
2,261,856.99 : 3,121,394.22 = 1,229,364.45 : x - Step 2: Convert to fraction form
2,261,856.99/3,121,394.22 = 1,229,364.45/x - Step 3: Cross multiply
2,261,856.99x = 3,121,394.22 × 1,229,364.45 - Step 4: Simplify right side
2,261,856.99x = 3,837,331,088,503.48 - Step 5: Solve for x
x = 3,837,331,088,503.48/2,261,856.99 - Step 6: Final answer
x = 1,696,540.10
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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.