Finding the Fourth Proportional to 3,041,470.44, 4,201,787.74 and 1,997,368.79
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Solution
The fourth proportional to 3,041,470.44, 4,201,787.74 and 1,997,368.79 is: 2,759,362.57
Step by Step Solution
- Step 1: Write the proportion equation
3,041,470.44 : 4,201,787.74 = 1,997,368.79 : x - Step 2: Convert to fraction form
3,041,470.44/4,201,787.74 = 1,997,368.79/x - Step 3: Cross multiply
3,041,470.44x = 4,201,787.74 × 1,997,368.79 - Step 4: Simplify right side
3,041,470.44x = 8,392,519,699,591.68 - Step 5: Solve for x
x = 8,392,519,699,591.68/3,041,470.44 - Step 6: Final answer
x = 2,759,362.57
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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.