Finding the Fourth Proportional to 1,436,202.96, 1,981,936.20 and 791,682.96
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Solution
The fourth proportional to 1,436,202.96, 1,981,936.20 and 791,682.96 is: 1,092,509.32
Step by Step Solution
- Step 1: Write the proportion equation
1,436,202.96 : 1,981,936.20 = 791,682.96 : x - Step 2: Convert to fraction form
1,436,202.96/1,981,936.20 = 791,682.96/x - Step 3: Cross multiply
1,436,202.96x = 1,981,936.20 × 791,682.96 - Step 4: Simplify right side
1,436,202.96x = 1,569,065,117,347.15 - Step 5: Solve for x
x = 1,569,065,117,347.15/1,436,202.96 - Step 6: Final answer
x = 1,092,509.32
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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.