Finding the Fourth Proportional to 3,818,361.60, 5,726,638.08 and 1,423,330.56
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Solution
The fourth proportional to 3,818,361.60, 5,726,638.08 and 1,423,330.56 is: 2,134,658.75
Step by Step Solution
- Step 1: Write the proportion equation
3,818,361.60 : 5,726,638.08 = 1,423,330.56 : x - Step 2: Convert to fraction form
3,818,361.60/5,726,638.08 = 1,423,330.56/x - Step 3: Cross multiply
3,818,361.60x = 5,726,638.08 × 1,423,330.56 - Step 4: Simplify right side
3,818,361.60x = 8,150,898,985,323.73 - Step 5: Solve for x
x = 8,150,898,985,323.73/3,818,361.60 - Step 6: Final answer
x = 2,134,658.75
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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.