Finding the Fourth Proportional to 3,423,822.36, 4,724,877.87 and 1,895,896.68
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Solution
The fourth proportional to 3,423,822.36, 4,724,877.87 and 1,895,896.68 is: 2,616,339.09
Step by Step Solution
- Step 1: Write the proportion equation
3,423,822.36 : 4,724,877.87 = 1,895,896.68 : x - Step 2: Convert to fraction form
3,423,822.36/4,724,877.87 = 1,895,896.68/x - Step 3: Cross multiply
3,423,822.36x = 4,724,877.87 × 1,895,896.68 - Step 4: Simplify right side
3,423,822.36x = 8,957,880,267,138.47 - Step 5: Solve for x
x = 8,957,880,267,138.47/3,423,822.36 - Step 6: Final answer
x = 2,616,339.09
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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.