Finding the Fourth Proportional to 1,677,529.40, 2,514,195.66 and 1,321,135.88
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Solution
The fourth proportional to 1,677,529.40, 2,514,195.66 and 1,321,135.88 is: 1,980,051.20
Step by Step Solution
- Step 1: Write the proportion equation
1,677,529.40 : 2,514,195.66 = 1,321,135.88 : x - Step 2: Convert to fraction form
1,677,529.40/2,514,195.66 = 1,321,135.88/x - Step 3: Cross multiply
1,677,529.40x = 2,514,195.66 × 1,321,135.88 - Step 4: Simplify right side
1,677,529.40x = 3,321,594,095,766.28 - Step 5: Solve for x
x = 3,321,594,095,766.28/1,677,529.40 - Step 6: Final answer
x = 1,980,051.20
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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.