Finding the Fourth Proportional to 1,808,258.10, 2,715,497.55 and 1,279,490.10
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Solution
The fourth proportional to 1,808,258.10, 2,715,497.55 and 1,279,490.10 is: 1,921,436.01
Step by Step Solution
- Step 1: Write the proportion equation
1,808,258.10 : 2,715,497.55 = 1,279,490.10 : x - Step 2: Convert to fraction form
1,808,258.10/2,715,497.55 = 1,279,490.10/x - Step 3: Cross multiply
1,808,258.10x = 2,715,497.55 × 1,279,490.10 - Step 4: Simplify right side
1,808,258.10x = 3,474,452,231,799.26 - Step 5: Solve for x
x = 3,474,452,231,799.26/1,808,258.10 - Step 6: Final answer
x = 1,921,436.01
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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.