Finding the Fourth Proportional to 1,884,525.20, 2,805,474.56 and 1,873,315.09
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Solution
The fourth proportional to 1,884,525.20, 2,805,474.56 and 1,873,315.09 is: 2,788,786.18
Step by Step Solution
- Step 1: Write the proportion equation
1,884,525.20 : 2,805,474.56 = 1,873,315.09 : x - Step 2: Convert to fraction form
1,884,525.20/2,805,474.56 = 1,873,315.09/x - Step 3: Cross multiply
1,884,525.20x = 2,805,474.56 × 1,873,315.09 - Step 4: Simplify right side
1,884,525.20x = 5,255,537,827,859.11 - Step 5: Solve for x
x = 5,255,537,827,859.11/1,884,525.20 - Step 6: Final answer
x = 2,788,786.18
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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.