Finding the Fourth Proportional to 3,206,553.84, 4,424,886.42 and 1,756,255.68
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Solution
The fourth proportional to 3,206,553.84, 4,424,886.42 and 1,756,255.68 is: 2,423,546.37
Step by Step Solution
- Step 1: Write the proportion equation
3,206,553.84 : 4,424,886.42 = 1,756,255.68 : x - Step 2: Convert to fraction form
3,206,553.84/4,424,886.42 = 1,756,255.68/x - Step 3: Cross multiply
3,206,553.84x = 4,424,886.42 × 1,756,255.68 - Step 4: Simplify right side
3,206,553.84x = 7,771,231,908,479.87 - Step 5: Solve for x
x = 7,771,231,908,479.87/3,206,553.84 - Step 6: Final answer
x = 2,423,546.37
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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.