Finding the Fourth Proportional to 1,578,878.82, 2,368,610.37 and 499,662.99
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Solution
The fourth proportional to 1,578,878.82, 2,368,610.37 and 499,662.99 is: 749,586.94
Step by Step Solution
- Step 1: Write the proportion equation
1,578,878.82 : 2,368,610.37 = 499,662.99 : x - Step 2: Convert to fraction form
1,578,878.82/2,368,610.37 = 499,662.99/x - Step 3: Cross multiply
1,578,878.82x = 2,368,610.37 × 499,662.99 - Step 4: Simplify right side
1,578,878.82x = 1,183,506,939,619.21 - Step 5: Solve for x
x = 1,183,506,939,619.21/1,578,878.82 - Step 6: Final answer
x = 749,586.94
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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.