Finding the Fourth Proportional to 3,165,666.09, 4,368,634.38 and 1,715,364.18
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Solution
The fourth proportional to 3,165,666.09, 4,368,634.38 and 1,715,364.18 is: 2,367,210.79
Step by Step Solution
- Step 1: Write the proportion equation
3,165,666.09 : 4,368,634.38 = 1,715,364.18 : x - Step 2: Convert to fraction form
3,165,666.09/4,368,634.38 = 1,715,364.18/x - Step 3: Cross multiply
3,165,666.09x = 4,368,634.38 × 1,715,364.18 - Step 4: Simplify right side
3,165,666.09x = 7,493,798,930,968.51 - Step 5: Solve for x
x = 7,493,798,930,968.51/3,165,666.09 - Step 6: Final answer
x = 2,367,210.79
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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.