Finding the Fourth Proportional to 1,234,201.80, 1,851,302.70 and 985,369.80
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Solution
The fourth proportional to 1,234,201.80, 1,851,302.70 and 985,369.80 is: 1,478,054.70
Step by Step Solution
- Step 1: Write the proportion equation
1,234,201.80 : 1,851,302.70 = 985,369.80 : x - Step 2: Convert to fraction form
1,234,201.80/1,851,302.70 = 985,369.80/x - Step 3: Cross multiply
1,234,201.80x = 1,851,302.70 × 985,369.80 - Step 4: Simplify right side
1,234,201.80x = 1,824,217,771,238.46 - Step 5: Solve for x
x = 1,824,217,771,238.46/1,234,201.80 - Step 6: Final answer
x = 1,478,054.70
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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.