Finding the Fourth Proportional to 2,507,321.09, 3,460,006.08 and 1,361,375.21
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Solution
The fourth proportional to 2,507,321.09, 3,460,006.08 and 1,361,375.21 is: 1,878,645.11
Step by Step Solution
- Step 1: Write the proportion equation
2,507,321.09 : 3,460,006.08 = 1,361,375.21 : x - Step 2: Convert to fraction form
2,507,321.09/3,460,006.08 = 1,361,375.21/x - Step 3: Cross multiply
2,507,321.09x = 3,460,006.08 × 1,361,375.21 - Step 4: Simplify right side
2,507,321.09x = 4,710,366,512,411.29 - Step 5: Solve for x
x = 4,710,366,512,411.29/2,507,321.09 - Step 6: Final answer
x = 1,878,645.11
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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.