Finding the Fourth Proportional to 5,558,470.70, 8,338,378.55 and 1,963,501.97
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Solution
The fourth proportional to 5,558,470.70, 8,338,378.55 and 1,963,501.97 is: 2,945,490.51
Step by Step Solution
- Step 1: Write the proportion equation
5,558,470.70 : 8,338,378.55 = 1,963,501.97 : x - Step 2: Convert to fraction form
5,558,470.70/8,338,378.55 = 1,963,501.97/x - Step 3: Cross multiply
5,558,470.70x = 8,338,378.55 × 1,963,501.97 - Step 4: Simplify right side
5,558,470.70x = 16,372,422,658,021.34 - Step 5: Solve for x
x = 16,372,422,658,021.34/5,558,470.70 - Step 6: Final answer
x = 2,945,490.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.