Finding the Fourth Proportional to 3,119,734.93, 4,305,457.05 and 1,724,266.63
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Solution
The fourth proportional to 3,119,734.93, 4,305,457.05 and 1,724,266.63 is: 2,379,611.12
Step by Step Solution
- Step 1: Write the proportion equation
3,119,734.93 : 4,305,457.05 = 1,724,266.63 : x - Step 2: Convert to fraction form
3,119,734.93/4,305,457.05 = 1,724,266.63/x - Step 3: Cross multiply
3,119,734.93x = 4,305,457.05 × 1,724,266.63 - Step 4: Simplify right side
3,119,734.93x = 7,423,755,918,213.24 - Step 5: Solve for x
x = 7,423,755,918,213.24/3,119,734.93 - Step 6: Final answer
x = 2,379,611.12
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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.