Finding the Fourth Proportional to 2,022,239.12, 2,791,952.16 and 1,287,608
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Solution
The fourth proportional to 2,022,239.12, 2,791,952.16 and 1,287,608 is: 1,777,702.70
Step by Step Solution
- Step 1: Write the proportion equation
2,022,239.12 : 2,791,952.16 = 1,287,608 : x - Step 2: Convert to fraction form
2,022,239.12/2,791,952.16 = 1,287,608/x - Step 3: Cross multiply
2,022,239.12x = 2,791,952.16 × 1,287,608 - Step 4: Simplify right side
2,022,239.12x = 3,594,939,936,833.28 - Step 5: Solve for x
x = 3,594,939,936,833.28/2,022,239.12 - Step 6: Final answer
x = 1,777,702.70
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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.