Finding the Fourth Proportional to 4,998,618.30, 6,898,091.57 and 2,706,778.99
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Solution
The fourth proportional to 4,998,618.30, 6,898,091.57 and 2,706,778.99 is: 3,735,354.09
Step by Step Solution
- Step 1: Write the proportion equation
4,998,618.30 : 6,898,091.57 = 2,706,778.99 : x - Step 2: Convert to fraction form
4,998,618.30/6,898,091.57 = 2,706,778.99/x - Step 3: Cross multiply
4,998,618.30x = 6,898,091.57 × 2,706,778.99 - Step 4: Simplify right side
4,998,618.30x = 18,671,609,332,772.12 - Step 5: Solve for x
x = 18,671,609,332,772.12/4,998,618.30 - Step 6: Final answer
x = 3,735,354.09
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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.