Finding the Fourth Proportional to 2,631,770.88, 3,947,065.84 and 1,210,461.44
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Solution
The fourth proportional to 2,631,770.88, 3,947,065.84 and 1,210,461.44 is: 1,815,420.57
Step by Step Solution
- Step 1: Write the proportion equation
2,631,770.88 : 3,947,065.84 = 1,210,461.44 : x - Step 2: Convert to fraction form
2,631,770.88/3,947,065.84 = 1,210,461.44/x - Step 3: Cross multiply
2,631,770.88x = 3,947,065.84 × 1,210,461.44 - Step 4: Simplify right side
2,631,770.88x = 4,777,771,000,461.21 - Step 5: Solve for x
x = 4,777,771,000,461.21/2,631,770.88 - Step 6: Final answer
x = 1,815,420.57
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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.