Finding the Fourth Proportional to 1,449,794.38, 2,174,959.06 and 477,213.60
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Solution
The fourth proportional to 1,449,794.38, 2,174,959.06 and 477,213.60 is: 715,908.45
Step by Step Solution
- Step 1: Write the proportion equation
1,449,794.38 : 2,174,959.06 = 477,213.60 : x - Step 2: Convert to fraction form
1,449,794.38/2,174,959.06 = 477,213.60/x - Step 3: Cross multiply
1,449,794.38x = 2,174,959.06 × 477,213.60 - Step 4: Simplify right side
1,449,794.38x = 1,037,920,042,875.22 - Step 5: Solve for x
x = 1,037,920,042,875.22/1,449,794.38 - Step 6: Final answer
x = 715,908.45
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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.