Finding the Fourth Proportional to 4,479,446.81, 6,719,194.82 and 1,113,653.81
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Solution
The fourth proportional to 4,479,446.81, 6,719,194.82 and 1,113,653.81 is: 1,670,486.84
Step by Step Solution
- Step 1: Write the proportion equation
4,479,446.81 : 6,719,194.82 = 1,113,653.81 : x - Step 2: Convert to fraction form
4,479,446.81/6,719,194.82 = 1,113,653.81/x - Step 3: Cross multiply
4,479,446.81x = 6,719,194.82 × 1,113,653.81 - Step 4: Simplify right side
4,479,446.81x = 7,482,856,931,007.39 - Step 5: Solve for x
x = 7,482,856,931,007.39/4,479,446.81 - Step 6: Final answer
x = 1,670,486.84
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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.