Finding the Fourth Proportional to 2,830,361.18, 3,905,781.12 and 1,541,198.48
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Solution
The fourth proportional to 2,830,361.18, 3,905,781.12 and 1,541,198.48 is: 2,126,790.03
Step by Step Solution
- Step 1: Write the proportion equation
2,830,361.18 : 3,905,781.12 = 1,541,198.48 : x - Step 2: Convert to fraction form
2,830,361.18/3,905,781.12 = 1,541,198.48/x - Step 3: Cross multiply
2,830,361.18x = 3,905,781.12 × 1,541,198.48 - Step 4: Simplify right side
2,830,361.18x = 6,019,583,925,356.70 - Step 5: Solve for x
x = 6,019,583,925,356.70/2,830,361.18 - Step 6: Final answer
x = 2,126,790.03
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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.