Finding the Fourth Proportional to 3,520,670.08, 4,858,495.68 and 1,992,763.84
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Solution
The fourth proportional to 3,520,670.08, 4,858,495.68 and 1,992,763.84 is: 2,749,997.67
Step by Step Solution
- Step 1: Write the proportion equation
3,520,670.08 : 4,858,495.68 = 1,992,763.84 : x - Step 2: Convert to fraction form
3,520,670.08/4,858,495.68 = 1,992,763.84/x - Step 3: Cross multiply
3,520,670.08x = 4,858,495.68 × 1,992,763.84 - Step 4: Simplify right side
3,520,670.08x = 9,681,834,507,900.21 - Step 5: Solve for x
x = 9,681,834,507,900.21/3,520,670.08 - Step 6: Final answer
x = 2,749,997.67
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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.