Finding the Fourth Proportional to 6,512,903.68, 8,981,925.82 and 4,065,741.85
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Solution
The fourth proportional to 6,512,903.68, 8,981,925.82 and 4,065,741.85 is: 5,607,052.32
Step by Step Solution
- Step 1: Write the proportion equation
6,512,903.68 : 8,981,925.82 = 4,065,741.85 : x - Step 2: Convert to fraction form
6,512,903.68/8,981,925.82 = 4,065,741.85/x - Step 3: Cross multiply
6,512,903.68x = 8,981,925.82 × 4,065,741.85 - Step 4: Simplify right side
6,512,903.68x = 36,518,191,699,969.57 - Step 5: Solve for x
x = 36,518,191,699,969.57/6,512,903.68 - Step 6: Final answer
x = 5,607,052.32
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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.