Finding the Fourth Proportional to 7,821,903.79, 10,794,193 and 4,384,144.99
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Solution
The fourth proportional to 7,821,903.79, 10,794,193 and 4,384,144.99 is: 6,050,100.90
Step by Step Solution
- Step 1: Write the proportion equation
7,821,903.79 : 10,794,193 = 4,384,144.99 : x - Step 2: Convert to fraction form
7,821,903.79/10,794,193 = 4,384,144.99/x - Step 3: Cross multiply
7,821,903.79x = 10,794,193 × 4,384,144.99 - Step 4: Simplify right side
7,821,903.79x = 47,323,307,162,043.07 - Step 5: Solve for x
x = 47,323,307,162,043.07/7,821,903.79 - Step 6: Final answer
x = 6,050,100.90
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1.5x scale
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.