Finding the Fourth Proportional to 3,646,657.62, 5,470,932.22 and 1,939,397.09
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Solution
The fourth proportional to 3,646,657.62, 5,470,932.22 and 1,939,397.09 is: 2,909,598.63
Step by Step Solution
- Step 1: Write the proportion equation
3,646,657.62 : 5,470,932.22 = 1,939,397.09 : x - Step 2: Convert to fraction form
3,646,657.62/5,470,932.22 = 1,939,397.09/x - Step 3: Cross multiply
3,646,657.62x = 5,470,932.22 × 1,939,397.09 - Step 4: Simplify right side
3,646,657.62x = 10,610,310,013,454.97 - Step 5: Solve for x
x = 10,610,310,013,454.97/3,646,657.62 - Step 6: Final answer
x = 2,909,598.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.