Finding the Fourth Proportional to 3,367,125.20, 4,645,480.20 and 1,916,457.68
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Solution
The fourth proportional to 3,367,125.20, 4,645,480.20 and 1,916,457.68 is: 2,644,055.59
Step by Step Solution
- Step 1: Write the proportion equation
3,367,125.20 : 4,645,480.20 = 1,916,457.68 : x - Step 2: Convert to fraction form
3,367,125.20/4,645,480.20 = 1,916,457.68/x - Step 3: Cross multiply
3,367,125.20x = 4,645,480.20 × 1,916,457.68 - Step 4: Simplify right side
3,367,125.20x = 8,902,866,206,577.94 - Step 5: Solve for x
x = 8,902,866,206,577.94/3,367,125.20 - Step 6: Final answer
x = 2,644,055.59
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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.