Finding the Fourth Proportional to 2,315,232.21, 3,456,331.10 and 2,161,373.47
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Solution
The fourth proportional to 2,315,232.21, 3,456,331.10 and 2,161,373.47 is: 3,226,640.64
Step by Step Solution
- Step 1: Write the proportion equation
2,315,232.21 : 3,456,331.10 = 2,161,373.47 : x - Step 2: Convert to fraction form
2,315,232.21/3,456,331.10 = 2,161,373.47/x - Step 3: Cross multiply
2,315,232.21x = 3,456,331.10 × 2,161,373.47 - Step 4: Simplify right side
2,315,232.21x = 7,470,422,363,332.96 - Step 5: Solve for x
x = 7,470,422,363,332.96/2,315,232.21 - Step 6: Final answer
x = 3,226,640.64
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.