Finding the Fourth Proportional to 5,561,247.96, 8,338,830.94 and 4,415,852.20
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Solution
The fourth proportional to 5,561,247.96, 8,338,830.94 and 4,415,852.20 is: 6,621,363.62
Step by Step Solution
- Step 1: Write the proportion equation
5,561,247.96 : 8,338,830.94 = 4,415,852.20 : x - Step 2: Convert to fraction form
5,561,247.96/8,338,830.94 = 4,415,852.20/x - Step 3: Cross multiply
5,561,247.96x = 8,338,830.94 × 4,415,852.20 - Step 4: Simplify right side
5,561,247.96x = 36,823,044,910,132.91 - Step 5: Solve for x
x = 36,823,044,910,132.91/5,561,247.96 - Step 6: Final answer
x = 6,621,363.62
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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.