Finding the Fourth Proportional to 2,190,897.07, 3,023,382.26 and 1,224,034.62
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Solution
The fourth proportional to 2,190,897.07, 3,023,382.26 and 1,224,034.62 is: 1,689,136.66
Step by Step Solution
- Step 1: Write the proportion equation
2,190,897.07 : 3,023,382.26 = 1,224,034.62 : x - Step 2: Convert to fraction form
2,190,897.07/3,023,382.26 = 1,224,034.62/x - Step 3: Cross multiply
2,190,897.07x = 3,023,382.26 × 1,224,034.62 - Step 4: Simplify right side
2,190,897.07x = 3,700,724,557,577.58 - Step 5: Solve for x
x = 3,700,724,557,577.58/2,190,897.07 - Step 6: Final answer
x = 1,689,136.66
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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.