Finding the Fourth Proportional to 5,250,743.63, 7,876,115.51 and 1,261,655.63
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Solution
The fourth proportional to 5,250,743.63, 7,876,115.51 and 1,261,655.63 is: 1,892,483.46
Step by Step Solution
- Step 1: Write the proportion equation
5,250,743.63 : 7,876,115.51 = 1,261,655.63 : x - Step 2: Convert to fraction form
5,250,743.63/7,876,115.51 = 1,261,655.63/x - Step 3: Cross multiply
5,250,743.63x = 7,876,115.51 × 1,261,655.63 - Step 4: Simplify right side
5,250,743.63x = 9,936,945,475,721.82 - Step 5: Solve for x
x = 9,936,945,475,721.82/5,250,743.63 - Step 6: Final answer
x = 1,892,483.46
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1.5x scale
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.