Finding the Fourth Proportional to 2,759,091.12, 4,139,259.57 and 840,173.99
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Solution
The fourth proportional to 2,759,091.12, 4,139,259.57 and 840,173.99 is: 1,260,450.65
Step by Step Solution
- Step 1: Write the proportion equation
2,759,091.12 : 4,139,259.57 = 840,173.99 : x - Step 2: Convert to fraction form
2,759,091.12/4,139,259.57 = 840,173.99/x - Step 3: Cross multiply
2,759,091.12x = 4,139,259.57 × 840,173.99 - Step 4: Simplify right side
2,759,091.12x = 3,477,698,207,876.29 - Step 5: Solve for x
x = 3,477,698,207,876.29/2,759,091.12 - Step 6: Final answer
x = 1,260,450.65
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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.