Finding the Fourth Proportional to 1,751,576.78, 2,415,104.70 and 1,235,415.62
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Solution
The fourth proportional to 1,751,576.78, 2,415,104.70 and 1,235,415.62 is: 1,703,412.66
Step by Step Solution
- Step 1: Write the proportion equation
1,751,576.78 : 2,415,104.70 = 1,235,415.62 : x - Step 2: Convert to fraction form
1,751,576.78/2,415,104.70 = 1,235,415.62/x - Step 3: Cross multiply
1,751,576.78x = 2,415,104.70 × 1,235,415.62 - Step 4: Simplify right side
1,751,576.78x = 2,983,658,070,315.41 - Step 5: Solve for x
x = 2,983,658,070,315.41/1,751,576.78 - Step 6: Final answer
x = 1,703,412.66
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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.