Finding the Fourth Proportional to 4,171,105.23, 6,254,371.95 and 1,291,672.68
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Solution
The fourth proportional to 4,171,105.23, 6,254,371.95 and 1,291,672.68 is: 1,936,801.14
Step by Step Solution
- Step 1: Write the proportion equation
4,171,105.23 : 6,254,371.95 = 1,291,672.68 : x - Step 2: Convert to fraction form
4,171,105.23/6,254,371.95 = 1,291,672.68/x - Step 3: Cross multiply
4,171,105.23x = 6,254,371.95 × 1,291,672.68 - Step 4: Simplify right side
4,171,105.23x = 8,078,601,378,373.33 - Step 5: Solve for x
x = 8,078,601,378,373.33/4,171,105.23 - Step 6: Final answer
x = 1,936,801.14
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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.