Finding the Fourth Proportional to 5,713,909.52, 7,885,422.60 and 3,135,682.58
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Solution
The fourth proportional to 5,713,909.52, 7,885,422.60 and 3,135,682.58 is: 4,327,366.79
Step by Step Solution
- Step 1: Write the proportion equation
5,713,909.52 : 7,885,422.60 = 3,135,682.58 : x - Step 2: Convert to fraction form
5,713,909.52/7,885,422.60 = 3,135,682.58/x - Step 3: Cross multiply
5,713,909.52x = 7,885,422.60 × 3,135,682.58 - Step 4: Simplify right side
5,713,909.52x = 24,726,182,282,758.31 - Step 5: Solve for x
x = 24,726,182,282,758.31/5,713,909.52 - Step 6: Final answer
x = 4,327,366.79
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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.