Finding the Fourth Proportional to 4,232,215.56, 5,840,491.79 and 2,298,489.98
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Solution
The fourth proportional to 4,232,215.56, 5,840,491.79 and 2,298,489.98 is: 3,171,934.81
Step by Step Solution
- Step 1: Write the proportion equation
4,232,215.56 : 5,840,491.79 = 2,298,489.98 : x - Step 2: Convert to fraction form
4,232,215.56/5,840,491.79 = 2,298,489.98/x - Step 3: Cross multiply
4,232,215.56x = 5,840,491.79 × 2,298,489.98 - Step 4: Simplify right side
4,232,215.56x = 13,424,311,857,587.26 - Step 5: Solve for x
x = 13,424,311,857,587.26/4,232,215.56 - Step 6: Final answer
x = 3,171,934.81
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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.