Finding the Fourth Proportional to 1,688,147.68, 2,532,471.82 and 490,079.92
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Solution
The fourth proportional to 1,688,147.68, 2,532,471.82 and 490,079.92 is: 735,192.54
Step by Step Solution
- Step 1: Write the proportion equation
1,688,147.68 : 2,532,471.82 = 490,079.92 : x - Step 2: Convert to fraction form
1,688,147.68/2,532,471.82 = 490,079.92/x - Step 3: Cross multiply
1,688,147.68x = 2,532,471.82 × 490,079.92 - Step 4: Simplify right side
1,688,147.68x = 1,241,113,586,947.85 - Step 5: Solve for x
x = 1,241,113,586,947.85/1,688,147.68 - Step 6: Final answer
x = 735,192.54
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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.