Finding the Fourth Proportional to 2,539,369.12, 3,504,547.02 and 1,393,670.92
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Solution
The fourth proportional to 2,539,369.12, 3,504,547.02 and 1,393,670.92 is: 1,923,385.31
Step by Step Solution
- Step 1: Write the proportion equation
2,539,369.12 : 3,504,547.02 = 1,393,670.92 : x - Step 2: Convert to fraction form
2,539,369.12/3,504,547.02 = 1,393,670.92/x - Step 3: Cross multiply
2,539,369.12x = 3,504,547.02 × 1,393,670.92 - Step 4: Simplify right side
2,539,369.12x = 4,884,185,269,546.66 - Step 5: Solve for x
x = 4,884,185,269,546.66/2,539,369.12 - Step 6: Final answer
x = 1,923,385.31
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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.