Finding the Fourth Proportional to 2,137,400.82, 2,949,622.56 and 1,170,537.84
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Solution
The fourth proportional to 2,137,400.82, 2,949,622.56 and 1,170,537.84 is: 1,615,347.38
Step by Step Solution
- Step 1: Write the proportion equation
2,137,400.82 : 2,949,622.56 = 1,170,537.84 : x - Step 2: Convert to fraction form
2,137,400.82/2,949,622.56 = 1,170,537.84/x - Step 3: Cross multiply
2,137,400.82x = 2,949,622.56 × 1,170,537.84 - Step 4: Simplify right side
2,137,400.82x = 3,452,644,820,197.67 - Step 5: Solve for x
x = 3,452,644,820,197.67/2,137,400.82 - Step 6: Final answer
x = 1,615,347.38
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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.