Finding the Fourth Proportional to 5,387,972.20, 8,083,124.70 and 1,601,837.80
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Solution
The fourth proportional to 5,387,972.20, 8,083,124.70 and 1,601,837.80 is: 2,403,103.47
Step by Step Solution
- Step 1: Write the proportion equation
5,387,972.20 : 8,083,124.70 = 1,601,837.80 : x - Step 2: Convert to fraction form
5,387,972.20/8,083,124.70 = 1,601,837.80/x - Step 3: Cross multiply
5,387,972.20x = 8,083,124.70 × 1,601,837.80 - Step 4: Simplify right side
5,387,972.20x = 12,947,854,686,573.66 - Step 5: Solve for x
x = 12,947,854,686,573.66/5,387,972.20 - Step 6: Final answer
x = 2,403,103.47
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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.