Finding the Fourth Proportional to 2,286,458.99, 3,155,086.01 and 1,319,900.67
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Solution
The fourth proportional to 2,286,458.99, 3,155,086.01 and 1,319,900.67 is: 1,821,331.66
Step by Step Solution
- Step 1: Write the proportion equation
2,286,458.99 : 3,155,086.01 = 1,319,900.67 : x - Step 2: Convert to fraction form
2,286,458.99/3,155,086.01 = 1,319,900.67/x - Step 3: Cross multiply
2,286,458.99x = 3,155,086.01 × 1,319,900.67 - Step 4: Simplify right side
2,286,458.99x = 4,164,400,141,806.38 - Step 5: Solve for x
x = 4,164,400,141,806.38/2,286,458.99 - Step 6: Final answer
x = 1,821,331.66
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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.