Finding the Fourth Proportional to 4,001,340.68, 5,521,850.40 and 2,190,504.68
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Solution
The fourth proportional to 4,001,340.68, 5,521,850.40 and 2,190,504.68 is: 3,022,896.60
Step by Step Solution
- Step 1: Write the proportion equation
4,001,340.68 : 5,521,850.40 = 2,190,504.68 : x - Step 2: Convert to fraction form
4,001,340.68/5,521,850.40 = 2,190,504.68/x - Step 3: Cross multiply
4,001,340.68x = 5,521,850.40 × 2,190,504.68 - Step 4: Simplify right side
4,001,340.68x = 12,095,639,128,913.73 - Step 5: Solve for x
x = 12,095,639,128,913.73/4,001,340.68 - Step 6: Final answer
x = 3,022,896.60
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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.