Finding the Fourth Proportional to 1,807,721.68, 2,494,639.56 and 991,909.84
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Solution
The fourth proportional to 1,807,721.68, 2,494,639.56 and 991,909.84 is: 1,368,826.60
Step by Step Solution
- Step 1: Write the proportion equation
1,807,721.68 : 2,494,639.56 = 991,909.84 : x - Step 2: Convert to fraction form
1,807,721.68/2,494,639.56 = 991,909.84/x - Step 3: Cross multiply
1,807,721.68x = 2,494,639.56 × 991,909.84 - Step 4: Simplify right side
1,807,721.68x = 2,474,457,526,817.27 - Step 5: Solve for x
x = 2,474,457,526,817.27/1,807,721.68 - Step 6: Final answer
x = 1,368,826.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.