Finding the Fourth Proportional to 5,526,579.80, 8,289,869.70 and 3,281,562.20
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Solution
The fourth proportional to 5,526,579.80, 8,289,869.70 and 3,281,562.20 is: 4,922,343.30
Step by Step Solution
- Step 1: Write the proportion equation
5,526,579.80 : 8,289,869.70 = 3,281,562.20 : x - Step 2: Convert to fraction form
5,526,579.80/8,289,869.70 = 3,281,562.20/x - Step 3: Cross multiply
5,526,579.80x = 8,289,869.70 × 3,281,562.20 - Step 4: Simplify right side
5,526,579.80x = 27,203,723,050,445.34 - Step 5: Solve for x
x = 27,203,723,050,445.34/5,526,579.80 - Step 6: Final answer
x = 4,922,343.30
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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.