Finding the Fourth Proportional to 2,935,510.80, 4,403,266.20 and 2,135,101.20
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Solution
The fourth proportional to 2,935,510.80, 4,403,266.20 and 2,135,101.20 is: 3,202,651.80
Step by Step Solution
- Step 1: Write the proportion equation
2,935,510.80 : 4,403,266.20 = 2,135,101.20 : x - Step 2: Convert to fraction form
2,935,510.80/4,403,266.20 = 2,135,101.20/x - Step 3: Cross multiply
2,935,510.80x = 4,403,266.20 × 2,135,101.20 - Step 4: Simplify right side
2,935,510.80x = 9,401,418,947,539.44 - Step 5: Solve for x
x = 9,401,418,947,539.44/2,935,510.80 - Step 6: Final answer
x = 3,202,651.80
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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.