Finding the Fourth Proportional to 3,286,067.81, 4,924,695.64 and 2,557,470.76
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Solution
The fourth proportional to 3,286,067.81, 4,924,695.64 and 2,557,470.76 is: 3,832,776.99
Step by Step Solution
- Step 1: Write the proportion equation
3,286,067.81 : 4,924,695.64 = 2,557,470.76 : x - Step 2: Convert to fraction form
3,286,067.81/4,924,695.64 = 2,557,470.76/x - Step 3: Cross multiply
3,286,067.81x = 4,924,695.64 × 2,557,470.76 - Step 4: Simplify right side
3,286,067.81x = 12,594,765,092,084.59 - Step 5: Solve for x
x = 12,594,765,092,084.59/3,286,067.81 - Step 6: Final answer
x = 3,832,776.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.