Finding the Fourth Proportional to 2,471,536.58, 3,411,078.48 and 1,383,878.21
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Solution
The fourth proportional to 2,471,536.58, 3,411,078.48 and 1,383,878.21 is: 1,909,952.38
Step by Step Solution
- Step 1: Write the proportion equation
2,471,536.58 : 3,411,078.48 = 1,383,878.21 : x - Step 2: Convert to fraction form
2,471,536.58/3,411,078.48 = 1,383,878.21/x - Step 3: Cross multiply
2,471,536.58x = 3,411,078.48 × 1,383,878.21 - Step 4: Simplify right side
2,471,536.58x = 4,720,517,181,071.92 - Step 5: Solve for x
x = 4,720,517,181,071.92/2,471,536.58 - Step 6: Final answer
x = 1,909,952.38
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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.