Finding the Fourth Proportional to 2,874,597.42, 4,314,886.84 and 2,117,293.98
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Solution
The fourth proportional to 2,874,597.42, 4,314,886.84 and 2,117,293.98 is: 3,178,143.79
Step by Step Solution
- Step 1: Write the proportion equation
2,874,597.42 : 4,314,886.84 = 2,117,293.98 : x - Step 2: Convert to fraction form
2,874,597.42/4,314,886.84 = 2,117,293.98/x - Step 3: Cross multiply
2,874,597.42x = 4,314,886.84 × 2,117,293.98 - Step 4: Simplify right side
2,874,597.42x = 9,135,883,930,713.22 - Step 5: Solve for x
x = 9,135,883,930,713.22/2,874,597.42 - Step 6: Final answer
x = 3,178,143.79
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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.