Finding the Fourth Proportional to 1,414,538.76, 2,121,787.32 and 349,580.76
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Solution
The fourth proportional to 1,414,538.76, 2,121,787.32 and 349,580.76 is: 524,365.99
Step by Step Solution
- Step 1: Write the proportion equation
1,414,538.76 : 2,121,787.32 = 349,580.76 : x - Step 2: Convert to fraction form
1,414,538.76/2,121,787.32 = 349,580.76/x - Step 3: Cross multiply
1,414,538.76x = 2,121,787.32 × 349,580.76 - Step 4: Simplify right side
1,414,538.76x = 741,736,023,883.96 - Step 5: Solve for x
x = 741,736,023,883.96/1,414,538.76 - Step 6: Final answer
x = 524,365.99
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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.