Finding the Fourth Proportional to 1,528,079.32, 2,108,761.96 and 955,451.44
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Solution
The fourth proportional to 1,528,079.32, 2,108,761.96 and 955,451.44 is: 1,318,530.80
Step by Step Solution
- Step 1: Write the proportion equation
1,528,079.32 : 2,108,761.96 = 955,451.44 : x - Step 2: Convert to fraction form
1,528,079.32/2,108,761.96 = 955,451.44/x - Step 3: Cross multiply
1,528,079.32x = 2,108,761.96 × 955,451.44 - Step 4: Simplify right side
1,528,079.32x = 2,014,819,651,299.22 - Step 5: Solve for x
x = 2,014,819,651,299.22/1,528,079.32 - Step 6: Final answer
x = 1,318,530.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.