Finding the Fourth Proportional to 3,838,106.36, 5,296,898.40 and 2,207,043.92
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Solution
The fourth proportional to 3,838,106.36, 5,296,898.40 and 2,207,043.92 is: 3,045,899.80
Step by Step Solution
- Step 1: Write the proportion equation
3,838,106.36 : 5,296,898.40 = 2,207,043.92 : x - Step 2: Convert to fraction form
3,838,106.36/5,296,898.40 = 2,207,043.92/x - Step 3: Cross multiply
3,838,106.36x = 5,296,898.40 × 2,207,043.92 - Step 4: Simplify right side
3,838,106.36x = 11,690,487,408,577.73 - Step 5: Solve for x
x = 11,690,487,408,577.73/3,838,106.36 - Step 6: Final answer
x = 3,045,899.80
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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.