Finding the Fourth Proportional to 5,440,517.69, 7,507,914.30 and 2,993,076.19
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Solution
The fourth proportional to 5,440,517.69, 7,507,914.30 and 2,993,076.19 is: 4,130,445.09
Step by Step Solution
- Step 1: Write the proportion equation
5,440,517.69 : 7,507,914.30 = 2,993,076.19 : x - Step 2: Convert to fraction form
5,440,517.69/7,507,914.30 = 2,993,076.19/x - Step 3: Cross multiply
5,440,517.69x = 7,507,914.30 × 2,993,076.19 - Step 4: Simplify right side
5,440,517.69x = 22,471,759,537,275.41 - Step 5: Solve for x
x = 22,471,759,537,275.41/5,440,517.69 - Step 6: Final answer
x = 4,130,445.09
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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.