Finding the Fourth Proportional to 2,193,467.96, 3,026,929.14 and 1,213,381.45
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Solution
The fourth proportional to 2,193,467.96, 3,026,929.14 and 1,213,381.45 is: 1,674,435.07
Step by Step Solution
- Step 1: Write the proportion equation
2,193,467.96 : 3,026,929.14 = 1,213,381.45 : x - Step 2: Convert to fraction form
2,193,467.96/3,026,929.14 = 1,213,381.45/x - Step 3: Cross multiply
2,193,467.96x = 3,026,929.14 × 1,213,381.45 - Step 4: Simplify right side
2,193,467.96x = 3,672,819,672,724.11 - Step 5: Solve for x
x = 3,672,819,672,724.11/2,193,467.96 - Step 6: Final answer
x = 1,674,435.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.