Finding the Fourth Proportional to 4,702,430.70, 6,489,269.64 and 2,637,450.18
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Solution
The fourth proportional to 4,702,430.70, 6,489,269.64 and 2,637,450.18 is: 3,639,633.73
Step by Step Solution
- Step 1: Write the proportion equation
4,702,430.70 : 6,489,269.64 = 2,637,450.18 : x - Step 2: Convert to fraction form
4,702,430.70/6,489,269.64 = 2,637,450.18/x - Step 3: Cross multiply
4,702,430.70x = 6,489,269.64 × 2,637,450.18 - Step 4: Simplify right side
4,702,430.70x = 17,115,125,380,086.54 - Step 5: Solve for x
x = 17,115,125,380,086.54/4,702,430.70 - Step 6: Final answer
x = 3,639,633.73
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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.