Finding the Fourth Proportional to 3,157,742.35, 4,737,197.86 and 999,310.71
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Solution
The fourth proportional to 3,157,742.35, 4,737,197.86 and 999,310.71 is: 1,499,150.99
Step by Step Solution
- Step 1: Write the proportion equation
3,157,742.35 : 4,737,197.86 = 999,310.71 : x - Step 2: Convert to fraction form
3,157,742.35/4,737,197.86 = 999,310.71/x - Step 3: Cross multiply
3,157,742.35x = 4,737,197.86 × 999,310.71 - Step 4: Simplify right side
3,157,742.35x = 4,733,932,551,890.53 - Step 5: Solve for x
x = 4,733,932,551,890.53/3,157,742.35 - Step 6: Final answer
x = 1,499,150.99
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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.