Finding the Fourth Proportional to 4,593,128.42, 6,339,642.18 and 3,558,589.94
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Solution
The fourth proportional to 4,593,128.42, 6,339,642.18 and 3,558,589.94 is: 4,911,725.70
Step by Step Solution
- Step 1: Write the proportion equation
4,593,128.42 : 6,339,642.18 = 3,558,589.94 : x - Step 2: Convert to fraction form
4,593,128.42/6,339,642.18 = 3,558,589.94/x - Step 3: Cross multiply
4,593,128.42x = 6,339,642.18 × 3,558,589.94 - Step 4: Simplify right side
4,593,128.42x = 22,560,186,884,947.67 - Step 5: Solve for x
x = 22,560,186,884,947.67/4,593,128.42 - Step 6: Final answer
x = 4,911,725.70
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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.