Finding the Fourth Proportional to 5,414,408.54, 8,121,206.87 and 1,576,260.40
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Solution
The fourth proportional to 5,414,408.54, 8,121,206.87 and 1,576,260.40 is: 2,364,272.41
Step by Step Solution
- Step 1: Write the proportion equation
5,414,408.54 : 8,121,206.87 = 1,576,260.40 : x - Step 2: Convert to fraction form
5,414,408.54/8,121,206.87 = 1,576,260.40/x - Step 3: Cross multiply
5,414,408.54x = 8,121,206.87 × 1,576,260.40 - Step 4: Simplify right side
5,414,408.54x = 12,801,136,740,901.61 - Step 5: Solve for x
x = 12,801,136,740,901.61/5,414,408.54 - Step 6: Final answer
x = 2,364,272.41
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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.