Finding the Fourth Proportional to 2,107,218.09, 2,907,968.21 and 1,140,348.13
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Solution
The fourth proportional to 2,107,218.09, 2,907,968.21 and 1,140,348.13 is: 1,573,684.34
Step by Step Solution
- Step 1: Write the proportion equation
2,107,218.09 : 2,907,968.21 = 1,140,348.13 : x - Step 2: Convert to fraction form
2,107,218.09/2,907,968.21 = 1,140,348.13/x - Step 3: Cross multiply
2,107,218.09x = 2,907,968.21 × 1,140,348.13 - Step 4: Simplify right side
2,107,218.09x = 3,316,096,110,372.95 - Step 5: Solve for x
x = 3,316,096,110,372.95/2,107,218.09 - Step 6: Final answer
x = 1,573,684.34
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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.