Finding the Fourth Proportional to 5,276,235.92, 7,914,490.14 and 1,438,089.80
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Solution
The fourth proportional to 5,276,235.92, 7,914,490.14 and 1,438,089.80 is: 2,157,171.84
Step by Step Solution
- Step 1: Write the proportion equation
5,276,235.92 : 7,914,490.14 = 1,438,089.80 : x - Step 2: Convert to fraction form
5,276,235.92/7,914,490.14 = 1,438,089.80/x - Step 3: Cross multiply
5,276,235.92x = 7,914,490.14 × 1,438,089.80 - Step 4: Simplify right side
5,276,235.92x = 11,381,747,542,534.57 - Step 5: Solve for x
x = 11,381,747,542,534.57/5,276,235.92 - Step 6: Final answer
x = 2,157,171.84
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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.