Finding the Fourth Proportional to 4,064,809.12, 5,609,898.96 and 2,346,390.88
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Solution
The fourth proportional to 4,064,809.12, 5,609,898.96 and 2,346,390.88 is: 3,238,286.32
Step by Step Solution
- Step 1: Write the proportion equation
4,064,809.12 : 5,609,898.96 = 2,346,390.88 : x - Step 2: Convert to fraction form
4,064,809.12/5,609,898.96 = 2,346,390.88/x - Step 3: Cross multiply
4,064,809.12x = 5,609,898.96 × 2,346,390.88 - Step 4: Simplify right side
4,064,809.12x = 13,163,015,757,465.48 - Step 5: Solve for x
x = 13,163,015,757,465.48/4,064,809.12 - Step 6: Final answer
x = 3,238,286.32
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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.