Finding the Fourth Proportional to 1,971,869.88, 2,721,180.44 and 1,066,451.88
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Solution
The fourth proportional to 1,971,869.88, 2,721,180.44 and 1,066,451.88 is: 1,471,703.60
Step by Step Solution
- Step 1: Write the proportion equation
1,971,869.88 : 2,721,180.44 = 1,066,451.88 : x - Step 2: Convert to fraction form
1,971,869.88/2,721,180.44 = 1,066,451.88/x - Step 3: Cross multiply
1,971,869.88x = 2,721,180.44 × 1,066,451.88 - Step 4: Simplify right side
1,971,869.88x = 2,902,007,996,057.23 - Step 5: Solve for x
x = 2,902,007,996,057.23/1,971,869.88 - Step 6: Final answer
x = 1,471,703.60
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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.