Finding the Fourth Proportional to 6,751,422.09, 10,128,412.53 and 2,202,090.30
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Solution
The fourth proportional to 6,751,422.09, 10,128,412.53 and 2,202,090.30 is: 3,303,552.75
Step by Step Solution
- Step 1: Write the proportion equation
6,751,422.09 : 10,128,412.53 = 2,202,090.30 : x - Step 2: Convert to fraction form
6,751,422.09/10,128,412.53 = 2,202,090.30/x - Step 3: Cross multiply
6,751,422.09x = 10,128,412.53 × 2,202,090.30 - Step 4: Simplify right side
6,751,422.09x = 22,303,678,986,711.46 - Step 5: Solve for x
x = 22,303,678,986,711.46/6,751,422.09 - Step 6: Final answer
x = 3,303,552.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.