Finding the Fourth Proportional to 2,198,909.43, 3,298,237.79 and 1,306,022.67
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Solution
The fourth proportional to 2,198,909.43, 3,298,237.79 and 1,306,022.67 is: 1,958,958.95
Step by Step Solution
- Step 1: Write the proportion equation
2,198,909.43 : 3,298,237.79 = 1,306,022.67 : x - Step 2: Convert to fraction form
2,198,909.43/3,298,237.79 = 1,306,022.67/x - Step 3: Cross multiply
2,198,909.43x = 3,298,237.79 × 1,306,022.67 - Step 4: Simplify right side
2,198,909.43x = 4,307,573,318,260.59 - Step 5: Solve for x
x = 4,307,573,318,260.59/2,198,909.43 - Step 6: Final answer
x = 1,958,958.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.