Finding the Fourth Proportional to 6,457,591.24, 8,911,146.72 and 3,556,919.68
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Solution
The fourth proportional to 6,457,591.24, 8,911,146.72 and 3,556,919.68 is: 4,908,367.84
Step by Step Solution
- Step 1: Write the proportion equation
6,457,591.24 : 8,911,146.72 = 3,556,919.68 : x - Step 2: Convert to fraction form
6,457,591.24/8,911,146.72 = 3,556,919.68/x - Step 3: Cross multiply
6,457,591.24x = 8,911,146.72 × 3,556,919.68 - Step 4: Simplify right side
6,457,591.24x = 31,696,233,139,735.45 - Step 5: Solve for x
x = 31,696,233,139,735.45/6,457,591.24 - Step 6: Final answer
x = 4,908,367.84
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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.