Finding the Fourth Proportional to 4,660,026.08, 6,990,836.16 and 2,135,897.60
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Solution
The fourth proportional to 4,660,026.08, 6,990,836.16 and 2,135,897.60 is: 3,204,211.72
Step by Step Solution
- Step 1: Write the proportion equation
4,660,026.08 : 6,990,836.16 = 2,135,897.60 : x - Step 2: Convert to fraction form
4,660,026.08/6,990,836.16 = 2,135,897.60/x - Step 3: Cross multiply
4,660,026.08x = 6,990,836.16 × 2,135,897.60 - Step 4: Simplify right side
4,660,026.08x = 14,931,710,176,137.22 - Step 5: Solve for x
x = 14,931,710,176,137.22/4,660,026.08 - Step 6: Final answer
x = 3,204,211.72
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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.