Finding the Fourth Proportional to 3,829,357.98, 5,284,261.80 and 2,110,474.26
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Solution
The fourth proportional to 3,829,357.98, 5,284,261.80 and 2,110,474.26 is: 2,912,315.48
Step by Step Solution
- Step 1: Write the proportion equation
3,829,357.98 : 5,284,261.80 = 2,110,474.26 : x - Step 2: Convert to fraction form
3,829,357.98/5,284,261.80 = 2,110,474.26/x - Step 3: Cross multiply
3,829,357.98x = 5,284,261.80 × 2,110,474.26 - Step 4: Simplify right side
3,829,357.98x = 11,152,298,512,001.27 - Step 5: Solve for x
x = 11,152,298,512,001.27/3,829,357.98 - Step 6: Final answer
x = 2,912,315.48
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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.