Finding the Fourth Proportional to 1,884,914.11, 2,806,051.06 and 1,873,703.90
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Solution
The fourth proportional to 1,884,914.11, 2,806,051.06 and 1,873,703.90 is: 2,789,362.54
Step by Step Solution
- Step 1: Write the proportion equation
1,884,914.11 : 2,806,051.06 = 1,873,703.90 : x - Step 2: Convert to fraction form
1,884,914.11/2,806,051.06 = 1,873,703.90/x - Step 3: Cross multiply
1,884,914.11x = 2,806,051.06 × 1,873,703.90 - Step 4: Simplify right side
1,884,914.11x = 5,257,708,814,721.13 - Step 5: Solve for x
x = 5,257,708,814,721.13/1,884,914.11 - Step 6: Final answer
x = 2,789,362.54
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.