Finding the Fourth Proportional to 2,154,471.34, 3,232,180.06 and 638,272.99
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Solution
The fourth proportional to 2,154,471.34, 3,232,180.06 and 638,272.99 is: 957,549.63
Step by Step Solution
- Step 1: Write the proportion equation
2,154,471.34 : 3,232,180.06 = 638,272.99 : x - Step 2: Convert to fraction form
2,154,471.34/3,232,180.06 = 638,272.99/x - Step 3: Cross multiply
2,154,471.34x = 3,232,180.06 × 638,272.99 - Step 4: Simplify right side
2,154,471.34x = 2,063,013,224,468.62 - Step 5: Solve for x
x = 2,063,013,224,468.62/2,154,471.34 - Step 6: Final answer
x = 957,549.63
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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.