Finding the Fourth Proportional to 2,678,874.36, 3,696,874.20 and 1,455,203.58
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Solution
The fourth proportional to 2,678,874.36, 3,696,874.20 and 1,455,203.58 is: 2,008,195.92
Step by Step Solution
- Step 1: Write the proportion equation
2,678,874.36 : 3,696,874.20 = 1,455,203.58 : x - Step 2: Convert to fraction form
2,678,874.36/3,696,874.20 = 1,455,203.58/x - Step 3: Cross multiply
2,678,874.36x = 3,696,874.20 × 1,455,203.58 - Step 4: Simplify right side
2,678,874.36x = 5,379,704,570,649.64 - Step 5: Solve for x
x = 5,379,704,570,649.64/2,678,874.36 - Step 6: Final answer
x = 2,008,195.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.