Finding the Fourth Proportional to 5,479,674.60, 8,220,030.30 and 1,490,586.60
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Solution
The fourth proportional to 5,479,674.60, 8,220,030.30 and 1,490,586.60 is: 2,236,020.92
Step by Step Solution
- Step 1: Write the proportion equation
5,479,674.60 : 8,220,030.30 = 1,490,586.60 : x - Step 2: Convert to fraction form
5,479,674.60/8,220,030.30 = 1,490,586.60/x - Step 3: Cross multiply
5,479,674.60x = 8,220,030.30 × 1,490,586.60 - Step 4: Simplify right side
5,479,674.60x = 12,252,667,016,773.98 - Step 5: Solve for x
x = 12,252,667,016,773.98/5,479,674.60 - Step 6: Final answer
x = 2,236,020.92
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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.