Finding the Fourth Proportional to 1,725,947.73, 2,381,599.96 and 990,861.49
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Solution
The fourth proportional to 1,725,947.73, 2,381,599.96 and 990,861.49 is: 1,367,269.50
Step by Step Solution
- Step 1: Write the proportion equation
1,725,947.73 : 2,381,599.96 = 990,861.49 : x - Step 2: Convert to fraction form
1,725,947.73/2,381,599.96 = 990,861.49/x - Step 3: Cross multiply
1,725,947.73x = 2,381,599.96 × 990,861.49 - Step 4: Simplify right side
1,725,947.73x = 2,359,835,686,557.48 - Step 5: Solve for x
x = 2,359,835,686,557.48/1,725,947.73 - Step 6: Final answer
x = 1,367,269.50
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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.