Finding the Fourth Proportional to 2,990,586.60, 4,480,533.90 and 1,819,974.60
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Solution
The fourth proportional to 2,990,586.60, 4,480,533.90 and 1,819,974.60 is: 2,726,708.50
Step by Step Solution
- Step 1: Write the proportion equation
2,990,586.60 : 4,480,533.90 = 1,819,974.60 : x - Step 2: Convert to fraction form
2,990,586.60/4,480,533.90 = 1,819,974.60/x - Step 3: Cross multiply
2,990,586.60x = 4,480,533.90 × 1,819,974.60 - Step 4: Simplify right side
2,990,586.60x = 8,154,457,892,438.94 - Step 5: Solve for x
x = 8,154,457,892,438.94/2,990,586.60 - Step 6: Final answer
x = 2,726,708.50
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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.