Finding the Fourth Proportional to 6,415,988.63, 8,851,884.57 and 3,660,696.68
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Solution
The fourth proportional to 6,415,988.63, 8,851,884.57 and 3,660,696.68 is: 5,050,517.75
Step by Step Solution
- Step 1: Write the proportion equation
6,415,988.63 : 8,851,884.57 = 3,660,696.68 : x - Step 2: Convert to fraction form
6,415,988.63/8,851,884.57 = 3,660,696.68/x - Step 3: Cross multiply
6,415,988.63x = 8,851,884.57 × 3,660,696.68 - Step 4: Simplify right side
6,415,988.63x = 32,404,064,412,882.80 - Step 5: Solve for x
x = 32,404,064,412,882.80/6,415,988.63 - Step 6: Final answer
x = 5,050,517.75
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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.