Finding the Fourth Proportional to 2,286,454.38, 3,155,567.13 and 1,319,844.12
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Solution
The fourth proportional to 2,286,454.38, 3,155,567.13 and 1,319,844.12 is: 1,821,535.02
Step by Step Solution
- Step 1: Write the proportion equation
2,286,454.38 : 3,155,567.13 = 1,319,844.12 : x - Step 2: Convert to fraction form
2,286,454.38/3,155,567.13 = 1,319,844.12/x - Step 3: Cross multiply
2,286,454.38x = 3,155,567.13 × 1,319,844.12 - Step 4: Simplify right side
2,286,454.38x = 4,164,856,721,795.78 - Step 5: Solve for x
x = 4,164,856,721,795.78/2,286,454.38 - Step 6: Final answer
x = 1,821,535.02
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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.