Finding the Fourth Proportional to 1,528,102.20, 2,108,793.62 and 955,474.36
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Solution
The fourth proportional to 1,528,102.20, 2,108,793.62 and 955,474.36 is: 1,318,562.49
Step by Step Solution
- Step 1: Write the proportion equation
1,528,102.20 : 2,108,793.62 = 955,474.36 : x - Step 2: Convert to fraction form
1,528,102.20/2,108,793.62 = 955,474.36/x - Step 3: Cross multiply
1,528,102.20x = 2,108,793.62 × 955,474.36 - Step 4: Simplify right side
1,528,102.20x = 2,014,898,234,441.58 - Step 5: Solve for x
x = 2,014,898,234,441.58/1,528,102.20 - Step 6: Final answer
x = 1,318,562.49
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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.