Finding the Fourth Proportional to 6,480,514.58, 9,720,736.74 and 2,642,322.12
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Solution
The fourth proportional to 6,480,514.58, 9,720,736.74 and 2,642,322.12 is: 3,963,468.86
Step by Step Solution
- Step 1: Write the proportion equation
6,480,514.58 : 9,720,736.74 = 2,642,322.12 : x - Step 2: Convert to fraction form
6,480,514.58/9,720,736.74 = 2,642,322.12/x - Step 3: Cross multiply
6,480,514.58x = 9,720,736.74 × 2,642,322.12 - Step 4: Simplify right side
6,480,514.58x = 25,685,317,710,798.69 - Step 5: Solve for x
x = 25,685,317,710,798.69/6,480,514.58 - Step 6: Final answer
x = 3,963,468.86
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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.