Finding the Fourth Proportional to 2,430,241.20, 3,645,361.80 and 1,013,065.20
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Solution
The fourth proportional to 2,430,241.20, 3,645,361.80 and 1,013,065.20 is: 1,519,597.80
Step by Step Solution
- Step 1: Write the proportion equation
2,430,241.20 : 3,645,361.80 = 1,013,065.20 : x - Step 2: Convert to fraction form
2,430,241.20/3,645,361.80 = 1,013,065.20/x - Step 3: Cross multiply
2,430,241.20x = 3,645,361.80 × 1,013,065.20 - Step 4: Simplify right side
2,430,241.20x = 3,692,989,180,989.36 - Step 5: Solve for x
x = 3,692,989,180,989.36/2,430,241.20 - Step 6: Final answer
x = 1,519,597.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.