Finding the Fourth Proportional to 1,971,889.08, 2,721,206.86 and 1,066,471
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Solution
The fourth proportional to 1,971,889.08, 2,721,206.86 and 1,066,471 is: 1,471,729.94
Step by Step Solution
- Step 1: Write the proportion equation
1,971,889.08 : 2,721,206.86 = 1,066,471 : x - Step 2: Convert to fraction form
1,971,889.08/2,721,206.86 = 1,066,471/x - Step 3: Cross multiply
1,971,889.08x = 2,721,206.86 × 1,066,471 - Step 4: Simplify right side
1,971,889.08x = 2,902,088,201,191.06 - Step 5: Solve for x
x = 2,902,088,201,191.06/1,971,889.08 - Step 6: Final answer
x = 1,471,729.94
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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.