Finding the Fourth Proportional to 3,157,746.72, 4,737,204.44 and 999,315.09
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Solution
The fourth proportional to 3,157,746.72, 4,737,204.44 and 999,315.09 is: 1,499,157.56
Step by Step Solution
- Step 1: Write the proportion equation
3,157,746.72 : 4,737,204.44 = 999,315.09 : x - Step 2: Convert to fraction form
3,157,746.72/4,737,204.44 = 999,315.09/x - Step 3: Cross multiply
3,157,746.72x = 4,737,204.44 × 999,315.09 - Step 4: Simplify right side
3,157,746.72x = 4,733,959,876,310.42 - Step 5: Solve for x
x = 4,733,959,876,310.42/3,157,746.72 - Step 6: Final answer
x = 1,499,157.56
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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.