Finding the Fourth Proportional to 3,124,920.87, 4,685,830.70 and 994,728.06
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Solution
The fourth proportional to 3,124,920.87, 4,685,830.70 and 994,728.06 is: 1,491,598.50
Step by Step Solution
- Step 1: Write the proportion equation
3,124,920.87 : 4,685,830.70 = 994,728.06 : x - Step 2: Convert to fraction form
3,124,920.87/4,685,830.70 = 994,728.06/x - Step 3: Cross multiply
3,124,920.87x = 4,685,830.70 × 994,728.06 - Step 4: Simplify right side
3,124,920.87x = 4,661,127,276,725.80 - Step 5: Solve for x
x = 4,661,127,276,725.80/3,124,920.87 - Step 6: Final answer
x = 1,491,598.50
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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.