Finding the Fourth Proportional to 3,315,743.70, 4,973,615.26 and 919,588.29
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Solution
The fourth proportional to 3,315,743.70, 4,973,615.26 and 919,588.29 is: 1,379,382.35
Step by Step Solution
- Step 1: Write the proportion equation
3,315,743.70 : 4,973,615.26 = 919,588.29 : x - Step 2: Convert to fraction form
3,315,743.70/4,973,615.26 = 919,588.29/x - Step 3: Cross multiply
3,315,743.70x = 4,973,615.26 × 919,588.29 - Step 4: Simplify right side
3,315,743.70x = 4,573,678,352,061.31 - Step 5: Solve for x
x = 4,573,678,352,061.31/3,315,743.70 - Step 6: Final answer
x = 1,379,382.35
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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.