Finding the Fourth Proportional to 3,106,206.44, 4,287,159.36 and 1,883,178.56
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Solution
The fourth proportional to 3,106,206.44, 4,287,159.36 and 1,883,178.56 is: 2,599,146.82
Step by Step Solution
- Step 1: Write the proportion equation
3,106,206.44 : 4,287,159.36 = 1,883,178.56 : x - Step 2: Convert to fraction form
3,106,206.44/4,287,159.36 = 1,883,178.56/x - Step 3: Cross multiply
3,106,206.44x = 4,287,159.36 × 1,883,178.56 - Step 4: Simplify right side
3,106,206.44x = 8,073,486,590,055.32 - Step 5: Solve for x
x = 8,073,486,590,055.32/3,106,206.44 - Step 6: Final answer
x = 2,599,146.82
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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.