Finding the Fourth Proportional to 1,579,184.19, 2,368,245.87 and 513,975.75
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Solution
The fourth proportional to 1,579,184.19, 2,368,245.87 and 513,975.75 is: 770,790.99
Step by Step Solution
- Step 1: Write the proportion equation
1,579,184.19 : 2,368,245.87 = 513,975.75 : x - Step 2: Convert to fraction form
1,579,184.19/2,368,245.87 = 513,975.75/x - Step 3: Cross multiply
1,579,184.19x = 2,368,245.87 × 513,975.75 - Step 4: Simplify right side
1,579,184.19x = 1,217,220,947,217.65 - Step 5: Solve for x
x = 1,217,220,947,217.65/1,579,184.19 - Step 6: Final answer
x = 770,790.99
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1.5x scale
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.