Finding the Fourth Proportional to 2,286,456.30, 3,155,082.33 and 1,319,897.97
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Solution
The fourth proportional to 2,286,456.30, 3,155,082.33 and 1,319,897.97 is: 1,821,327.95
Step by Step Solution
- Step 1: Write the proportion equation
2,286,456.30 : 3,155,082.33 = 1,319,897.97 : x - Step 2: Convert to fraction form
2,286,456.30/3,155,082.33 = 1,319,897.97/x - Step 3: Cross multiply
2,286,456.30x = 3,155,082.33 × 1,319,897.97 - Step 4: Simplify right side
2,286,456.30x = 4,164,386,762,549.87 - Step 5: Solve for x
x = 4,164,386,762,549.87/2,286,456.30 - Step 6: Final answer
x = 1,821,327.95
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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.