Finding the Fourth Proportional to 1,577,316.30, 2,365,974.49 and 379,238.67
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Solution
The fourth proportional to 1,577,316.30, 2,365,974.49 and 379,238.67 is: 568,858.01
Step by Step Solution
- Step 1: Write the proportion equation
1,577,316.30 : 2,365,974.49 = 379,238.67 : x - Step 2: Convert to fraction form
1,577,316.30/2,365,974.49 = 379,238.67/x - Step 3: Cross multiply
1,577,316.30x = 2,365,974.49 × 379,238.67 - Step 4: Simplify right side
1,577,316.30x = 897,269,018,841.53 - Step 5: Solve for x
x = 897,269,018,841.53/1,577,316.30 - Step 6: Final answer
x = 568,858.01
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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.