Finding the Fourth Proportional to 5,165,611.99, 7,138,376.20 and 3,874,210.36
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Solution
The fourth proportional to 5,165,611.99, 7,138,376.20 and 3,874,210.36 is: 5,353,784.04
Step by Step Solution
- Step 1: Write the proportion equation
5,165,611.99 : 7,138,376.20 = 3,874,210.36 : x - Step 2: Convert to fraction form
5,165,611.99/7,138,376.20 = 3,874,210.36/x - Step 3: Cross multiply
5,165,611.99x = 7,138,376.20 × 3,874,210.36 - Step 4: Simplify right side
5,165,611.99x = 27,655,571,014,614.25 - Step 5: Solve for x
x = 27,655,571,014,614.25/5,165,611.99 - Step 6: Final answer
x = 5,353,784.04
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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.