Finding the Fourth Proportional to 2,539,509.49, 3,504,350.57 and 1,393,663.65
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Solution
The fourth proportional to 2,539,509.49, 3,504,350.57 and 1,393,663.65 is: 1,923,161.15
Step by Step Solution
- Step 1: Write the proportion equation
2,539,509.49 : 3,504,350.57 = 1,393,663.65 : x - Step 2: Convert to fraction form
2,539,509.49/3,504,350.57 = 1,393,663.65/x - Step 3: Cross multiply
2,539,509.49x = 3,504,350.57 × 1,393,663.65 - Step 4: Simplify right side
2,539,509.49x = 4,883,886,009,731.08 - Step 5: Solve for x
x = 4,883,886,009,731.08/2,539,509.49 - Step 6: Final answer
x = 1,923,161.15
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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.