Finding the Fourth Proportional to 2,018,554.88, 2,785,743.36 and 1,170,682.88
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Solution
The fourth proportional to 2,018,554.88, 2,785,743.36 and 1,170,682.88 is: 1,615,622.19
Step by Step Solution
- Step 1: Write the proportion equation
2,018,554.88 : 2,785,743.36 = 1,170,682.88 : x - Step 2: Convert to fraction form
2,018,554.88/2,785,743.36 = 1,170,682.88/x - Step 3: Cross multiply
2,018,554.88x = 2,785,743.36 × 1,170,682.88 - Step 4: Simplify right side
2,018,554.88x = 3,261,222,059,625.68 - Step 5: Solve for x
x = 3,261,222,059,625.68/2,018,554.88 - Step 6: Final answer
x = 1,615,622.19
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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.