Finding the Fourth Proportional to 2,900,324.07, 4,002,560.70 and 1,984,474.08
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Solution
The fourth proportional to 2,900,324.07, 4,002,560.70 and 1,984,474.08 is: 2,738,651.88
Step by Step Solution
- Step 1: Write the proportion equation
2,900,324.07 : 4,002,560.70 = 1,984,474.08 : x - Step 2: Convert to fraction form
2,900,324.07/4,002,560.70 = 1,984,474.08/x - Step 3: Cross multiply
2,900,324.07x = 4,002,560.70 × 1,984,474.08 - Step 4: Simplify right side
2,900,324.07x = 7,942,977,962,776.66 - Step 5: Solve for x
x = 7,942,977,962,776.66/2,900,324.07 - Step 6: Final answer
x = 2,738,651.88
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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.