Finding the Fourth Proportional to 5,440,512.09, 7,507,906.50 and 2,993,070.49
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Solution
The fourth proportional to 5,440,512.09, 7,507,906.50 and 2,993,070.49 is: 4,130,437.17
Step by Step Solution
- Step 1: Write the proportion equation
5,440,512.09 : 7,507,906.50 = 2,993,070.49 : x - Step 2: Convert to fraction form
5,440,512.09/7,507,906.50 = 2,993,070.49/x - Step 3: Cross multiply
5,440,512.09x = 7,507,906.50 × 2,993,070.49 - Step 4: Simplify right side
5,440,512.09x = 22,471,693,386,829.19 - Step 5: Solve for x
x = 22,471,693,386,829.19/5,440,512.09 - Step 6: Final answer
x = 4,130,437.17
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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.