Finding the Fourth Proportional to 7,284,476.53, 10,052,314.14 and 4,021,221.19
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Solution
The fourth proportional to 7,284,476.53, 10,052,314.14 and 4,021,221.19 is: 5,549,139.80
Step by Step Solution
- Step 1: Write the proportion equation
7,284,476.53 : 10,052,314.14 = 4,021,221.19 : x - Step 2: Convert to fraction form
7,284,476.53/10,052,314.14 = 4,021,221.19/x - Step 3: Cross multiply
7,284,476.53x = 10,052,314.14 × 4,021,221.19 - Step 4: Simplify right side
7,284,476.53x = 40,422,578,628,304.62 - Step 5: Solve for x
x = 40,422,578,628,304.62/7,284,476.53 - Step 6: Final answer
x = 5,549,139.80
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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.