Finding the Fourth Proportional to 5,390,137.30, 8,085,205.95 and 2,555,785.30
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Solution
The fourth proportional to 5,390,137.30, 8,085,205.95 and 2,555,785.30 is: 3,833,677.95
Step by Step Solution
- Step 1: Write the proportion equation
5,390,137.30 : 8,085,205.95 = 2,555,785.30 : x - Step 2: Convert to fraction form
5,390,137.30/8,085,205.95 = 2,555,785.30/x - Step 3: Cross multiply
5,390,137.30x = 8,085,205.95 × 2,555,785.30 - Step 4: Simplify right side
5,390,137.30x = 20,664,050,514,482.54 - Step 5: Solve for x
x = 20,664,050,514,482.54/5,390,137.30 - Step 6: Final answer
x = 3,833,677.95
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Similar ratio
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1.5x scale
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.