Finding the Fourth Proportional to 6,240,067.75, 9,360,101.63 and 1,512,259.75
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Solution
The fourth proportional to 6,240,067.75, 9,360,101.63 and 1,512,259.75 is: 2,268,389.63
Step by Step Solution
- Step 1: Write the proportion equation
6,240,067.75 : 9,360,101.63 = 1,512,259.75 : x - Step 2: Convert to fraction form
6,240,067.75/9,360,101.63 = 1,512,259.75/x - Step 3: Cross multiply
6,240,067.75x = 9,360,101.63 × 1,512,259.75 - Step 4: Simplify right side
6,240,067.75x = 14,154,904,943,397.09 - Step 5: Solve for x
x = 14,154,904,943,397.09/6,240,067.75 - Step 6: Final answer
x = 2,268,389.63
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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.