Finding the Fourth Proportional to 2,218,664.25, 3,328,006.05 and 702,354.60
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Solution
The fourth proportional to 2,218,664.25, 3,328,006.05 and 702,354.60 is: 1,053,534.96
Step by Step Solution
- Step 1: Write the proportion equation
2,218,664.25 : 3,328,006.05 = 702,354.60 : x - Step 2: Convert to fraction form
2,218,664.25/3,328,006.05 = 702,354.60/x - Step 3: Cross multiply
2,218,664.25x = 3,328,006.05 × 702,354.60 - Step 4: Simplify right side
2,218,664.25x = 2,337,440,358,045.33 - Step 5: Solve for x
x = 2,337,440,358,045.33/2,218,664.25 - Step 6: Final answer
x = 1,053,534.96
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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.