Finding the Fourth Proportional to 7,642,287.41, 10,546,356.26 and 4,204,454.63
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Solution
The fourth proportional to 7,642,287.41, 10,546,356.26 and 4,204,454.63 is: 5,802,147.19
Step by Step Solution
- Step 1: Write the proportion equation
7,642,287.41 : 10,546,356.26 = 4,204,454.63 : x - Step 2: Convert to fraction form
7,642,287.41/10,546,356.26 = 4,204,454.63/x - Step 3: Cross multiply
7,642,287.41x = 10,546,356.26 × 4,204,454.63 - Step 4: Simplify right side
7,642,287.41x = 44,341,676,364,765.84 - Step 5: Solve for x
x = 44,341,676,364,765.84/7,642,287.41 - Step 6: Final answer
x = 5,802,147.19
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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.