Finding the Fourth Proportional to 3,153,970.44, 4,352,478.60 and 1,703,665.96
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Solution
The fourth proportional to 3,153,970.44, 4,352,478.60 and 1,703,665.96 is: 2,351,058.70
Step by Step Solution
- Step 1: Write the proportion equation
3,153,970.44 : 4,352,478.60 = 1,703,665.96 : x - Step 2: Convert to fraction form
3,153,970.44/4,352,478.60 = 1,703,665.96/x - Step 3: Cross multiply
3,153,970.44x = 4,352,478.60 × 1,703,665.96 - Step 4: Simplify right side
3,153,970.44x = 7,415,169,632,448.46 - Step 5: Solve for x
x = 7,415,169,632,448.46/3,153,970.44 - Step 6: Final answer
x = 2,351,058.70
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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.