Finding the Fourth Proportional to 3,260,629.05, 4,890,943.58 and 1,666,306.05
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Solution
The fourth proportional to 3,260,629.05, 4,890,943.58 and 1,666,306.05 is: 2,499,459.08
Step by Step Solution
- Step 1: Write the proportion equation
3,260,629.05 : 4,890,943.58 = 1,666,306.05 : x - Step 2: Convert to fraction form
3,260,629.05/4,890,943.58 = 1,666,306.05/x - Step 3: Cross multiply
3,260,629.05x = 4,890,943.58 × 1,666,306.05 - Step 4: Simplify right side
3,260,629.05x = 8,149,808,869,231.13 - Step 5: Solve for x
x = 8,149,808,869,231.13/3,260,629.05 - Step 6: Final answer
x = 2,499,459.08
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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.