Finding the Fourth Proportional to 1,243,277.10, 1,860,250.05 and 1,131,302.70
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Solution
The fourth proportional to 1,243,277.10, 1,860,250.05 and 1,131,302.70 is: 1,692,708.65
Step by Step Solution
- Step 1: Write the proportion equation
1,243,277.10 : 1,860,250.05 = 1,131,302.70 : x - Step 2: Convert to fraction form
1,243,277.10/1,860,250.05 = 1,131,302.70/x - Step 3: Cross multiply
1,243,277.10x = 1,860,250.05 × 1,131,302.70 - Step 4: Simplify right side
1,243,277.10x = 2,104,505,904,240.14 - Step 5: Solve for x
x = 2,104,505,904,240.14/1,243,277.10 - Step 6: Final answer
x = 1,692,708.65
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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.