Finding the Fourth Proportional to 2,777,777.91, 3,832,594.25 and 1,906,878.94
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Solution
The fourth proportional to 2,777,777.91, 3,832,594.25 and 1,906,878.94 is: 2,630,985.44
Step by Step Solution
- Step 1: Write the proportion equation
2,777,777.91 : 3,832,594.25 = 1,906,878.94 : x - Step 2: Convert to fraction form
2,777,777.91/3,832,594.25 = 1,906,878.94/x - Step 3: Cross multiply
2,777,777.91x = 3,832,594.25 × 1,906,878.94 - Step 4: Simplify right side
2,777,777.91x = 7,308,293,241,774.22 - Step 5: Solve for x
x = 7,308,293,241,774.22/2,777,777.91 - Step 6: Final answer
x = 2,630,985.44
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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.