Finding the Fourth Proportional to 2,248,396.72, 3,102,861.36 and 1,229,801.44
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Solution
The fourth proportional to 2,248,396.72, 3,102,861.36 and 1,229,801.44 is: 1,697,166.40
Step by Step Solution
- Step 1: Write the proportion equation
2,248,396.72 : 3,102,861.36 = 1,229,801.44 : x - Step 2: Convert to fraction form
2,248,396.72/3,102,861.36 = 1,229,801.44/x - Step 3: Cross multiply
2,248,396.72x = 3,102,861.36 × 1,229,801.44 - Step 4: Simplify right side
2,248,396.72x = 3,815,903,368,648.36 - Step 5: Solve for x
x = 3,815,903,368,648.36/2,248,396.72 - Step 6: Final answer
x = 1,697,166.40
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1.5x scale
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.