Finding the Fourth Proportional to 2,830,860.25, 4,242,091.33 and 2,079,232.09
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Solution
The fourth proportional to 2,830,860.25, 4,242,091.33 and 2,079,232.09 is: 3,115,763.98
Step by Step Solution
- Step 1: Write the proportion equation
2,830,860.25 : 4,242,091.33 = 2,079,232.09 : x - Step 2: Convert to fraction form
2,830,860.25/4,242,091.33 = 2,079,232.09/x - Step 3: Cross multiply
2,830,860.25x = 4,242,091.33 × 2,079,232.09 - Step 4: Simplify right side
2,830,860.25x = 8,820,292,390,440.16 - Step 5: Solve for x
x = 8,820,292,390,440.16/2,830,860.25 - Step 6: Final answer
x = 3,115,763.98
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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.