Finding the Fourth Proportional to 2,286,453.29, 3,155,078.18 and 1,319,894.97
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Solution
The fourth proportional to 2,286,453.29, 3,155,078.18 and 1,319,894.97 is: 1,821,323.81
Step by Step Solution
- Step 1: Write the proportion equation
2,286,453.29 : 3,155,078.18 = 1,319,894.97 : x - Step 2: Convert to fraction form
2,286,453.29/3,155,078.18 = 1,319,894.97/x - Step 3: Cross multiply
2,286,453.29x = 3,155,078.18 × 1,319,894.97 - Step 4: Simplify right side
2,286,453.29x = 4,164,371,811,206.95 - Step 5: Solve for x
x = 4,164,371,811,206.95/2,286,453.29 - Step 6: Final answer
x = 1,821,323.81
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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.