Finding the Fourth Proportional to 4,603,901.66, 6,892,467.99 and 2,678,946.20
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Solution
The fourth proportional to 4,603,901.66, 6,892,467.99 and 2,678,946.20 is: 4,010,631.05
Step by Step Solution
- Step 1: Write the proportion equation
4,603,901.66 : 6,892,467.99 = 2,678,946.20 : x - Step 2: Convert to fraction form
4,603,901.66/6,892,467.99 = 2,678,946.20/x - Step 3: Cross multiply
4,603,901.66x = 6,892,467.99 × 2,678,946.20 - Step 4: Simplify right side
4,603,901.66x = 18,464,550,930,432.14 - Step 5: Solve for x
x = 18,464,550,930,432.14/4,603,901.66 - Step 6: Final answer
x = 4,010,631.05
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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.