Finding the Fourth Proportional to 4,885,620.16, 6,742,193.16 and 2,680,468.24
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Solution
The fourth proportional to 4,885,620.16, 6,742,193.16 and 2,680,468.24 is: 3,699,066.66
Step by Step Solution
- Step 1: Write the proportion equation
4,885,620.16 : 6,742,193.16 = 2,680,468.24 : x - Step 2: Convert to fraction form
4,885,620.16/6,742,193.16 = 2,680,468.24/x - Step 3: Cross multiply
4,885,620.16x = 6,742,193.16 × 2,680,468.24 - Step 4: Simplify right side
4,885,620.16x = 18,072,234,633,325.24 - Step 5: Solve for x
x = 18,072,234,633,325.24/4,885,620.16 - Step 6: Final answer
x = 3,699,066.66
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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.