Finding the Fourth Proportional to 5,701,380.18, 7,864,921.70 and 3,525,227.70
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Solution
The fourth proportional to 5,701,380.18, 7,864,921.70 and 3,525,227.70 is: 4,862,969.84
Step by Step Solution
- Step 1: Write the proportion equation
5,701,380.18 : 7,864,921.70 = 3,525,227.70 : x - Step 2: Convert to fraction form
5,701,380.18/7,864,921.70 = 3,525,227.70/x - Step 3: Cross multiply
5,701,380.18x = 7,864,921.70 × 3,525,227.70 - Step 4: Simplify right side
5,701,380.18x = 27,725,639,835,171.09 - Step 5: Solve for x
x = 27,725,639,835,171.09/5,701,380.18 - Step 6: Final answer
x = 4,862,969.84
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1.5x scale
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.