Finding the Fourth Proportional to 1,953,006.76, 2,694,713.42 and 1,178,763.18
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Solution
The fourth proportional to 1,953,006.76, 2,694,713.42 and 1,178,763.18 is: 1,626,430.09
Step by Step Solution
- Step 1: Write the proportion equation
1,953,006.76 : 2,694,713.42 = 1,178,763.18 : x - Step 2: Convert to fraction form
1,953,006.76/2,694,713.42 = 1,178,763.18/x - Step 3: Cross multiply
1,953,006.76x = 2,694,713.42 × 1,178,763.18 - Step 4: Simplify right side
1,953,006.76x = 3,176,428,960,147.88 - Step 5: Solve for x
x = 3,176,428,960,147.88/1,953,006.76 - Step 6: Final answer
x = 1,626,430.09
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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.