Finding the Fourth Proportional to 1,660,285.76, 2,476,671.39 and 1,611,340.70
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Solution
The fourth proportional to 1,660,285.76, 2,476,671.39 and 1,611,340.70 is: 2,403,659.36
Step by Step Solution
- Step 1: Write the proportion equation
1,660,285.76 : 2,476,671.39 = 1,611,340.70 : x - Step 2: Convert to fraction form
1,660,285.76/2,476,671.39 = 1,611,340.70/x - Step 3: Cross multiply
1,660,285.76x = 2,476,671.39 × 1,611,340.70 - Step 4: Simplify right side
1,660,285.76x = 3,990,761,398,849.22 - Step 5: Solve for x
x = 3,990,761,398,849.22/1,660,285.76 - Step 6: Final answer
x = 2,403,659.36
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.