Finding the Fourth Proportional to 4,809,817.70, 6,637,655.87 and 2,744,792.16
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Solution
The fourth proportional to 4,809,817.70, 6,637,655.87 and 2,744,792.16 is: 3,787,874.50
Step by Step Solution
- Step 1: Write the proportion equation
4,809,817.70 : 6,637,655.87 = 2,744,792.16 : x - Step 2: Convert to fraction form
4,809,817.70/6,637,655.87 = 2,744,792.16/x - Step 3: Cross multiply
4,809,817.70x = 6,637,655.87 × 2,744,792.16 - Step 4: Simplify right side
4,809,817.70x = 18,218,985,792,753.98 - Step 5: Solve for x
x = 18,218,985,792,753.98/4,809,817.70 - Step 6: Final answer
x = 3,787,874.50
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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.