Finding the Fourth Proportional to 2,661,439.44, 3,672,782.80 and 1,515,519.76
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Solution
The fourth proportional to 2,661,439.44, 3,672,782.80 and 1,515,519.76 is: 2,091,415.20
Step by Step Solution
- Step 1: Write the proportion equation
2,661,439.44 : 3,672,782.80 = 1,515,519.76 : x - Step 2: Convert to fraction form
2,661,439.44/3,672,782.80 = 1,515,519.76/x - Step 3: Cross multiply
2,661,439.44x = 3,672,782.80 × 1,515,519.76 - Step 4: Simplify right side
2,661,439.44x = 5,566,174,907,588.13 - Step 5: Solve for x
x = 5,566,174,907,588.13/2,661,439.44 - Step 6: Final answer
x = 2,091,415.20
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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.