Finding the Fourth Proportional to 5,479,062.30, 8,218,593.45 and 2,487,246.30
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Solution
The fourth proportional to 5,479,062.30, 8,218,593.45 and 2,487,246.30 is: 3,730,869.45
Step by Step Solution
- Step 1: Write the proportion equation
5,479,062.30 : 8,218,593.45 = 2,487,246.30 : x - Step 2: Convert to fraction form
5,479,062.30/8,218,593.45 = 2,487,246.30/x - Step 3: Cross multiply
5,479,062.30x = 8,218,593.45 × 2,487,246.30 - Step 4: Simplify right side
5,479,062.30x = 20,441,666,149,716.73 - Step 5: Solve for x
x = 20,441,666,149,716.73/5,479,062.30 - Step 6: Final answer
x = 3,730,869.45
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1.5x scale
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.